timkicker
2 years ago
13 changed files with 124 additions and 39 deletions
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BIN2023/05/18/whatsapp-analyze/heatmapA.png
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BIN2023/05/18/whatsapp-analyze/heatmapB.png
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BIN2023/05/18/whatsapp-analyze/hourchartA.png
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BIN2023/05/18/whatsapp-analyze/hourchartB.png
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562023/05/18/whatsapp-analyze/index.html
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6archives/2023/05/index.html
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tim.kicker.dev |
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<id>https://tim.kicker.dev</id> |
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<title>Hexo</title> |
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<link href="https://tim.kicker.dev" /> |
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<updated>2023-05-18T14:26:18.000Z</updated> |
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<entry> |
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<id>https://tim.kicker.dev/2023/05/18/whatsapp-analyze/</id> |
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<title>Data about data</title> |
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<link rel="alternate" href="https://tim.kicker.dev/2023/05/18/whatsapp-analyze/"/> |
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<content type="html"><p>I am a huge fan of gathering, analyzing and evaluating data. Creating statistics and colorful graphs just has something to it. But the interesting part is not necessarily the data itself, it’s the data about the data. How often does something occur, at which time and by whom are very important characteristics when it comes to creating patterns.</p> |
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<p>For example, let’s look at the two weekday-graphs of two different WhatsApp-chats of mine.</p> |
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<p><strong>Hours Chat A</strong></p> |
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<p><img src="/.%5Cwhatsapp-analyzer%5ChourchartA.png" alt="hourchartA"></p> |
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<p><strong>Hours Chat B</strong></p> |
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<p><img src="/.%5Cwhatsapp-analyzer%5ChourchartB.png" alt="hourchartB"></p> |
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<p>It is not that hard to figure out the difference between those two graphs. The amount of daily messages in A are pretty stable except Friday and Monday, which are two extremes. Maybe this could be about a friend group planning what they’re going to do on the weekend? The general quantity of messages are also lower as in figure B. The second chat also has a huge gap between Sunday and Saturday. Could this be a groupchat related to work? Or is it someone close who happens to live in the same house?</p> |
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<p>You can see that it is possible to gather connections and create assumptions about certain topics without even looking at the data itself. Now let’s take a deeper look.</p> |
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<p><strong>Days Chat A</strong></p> |
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<p><img src="/.%5Cwhatsapp-analyzer%5CheatmapA.png" alt="heatmapA"></p> |
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<p>How interesting. We can see that the group is most active between the end of January till May and spikes again in October. If you happen to live in Austria, you probably now what that means. See most Austrian summer breaks for students last from June till the beginning of September while Christmas lasts from December till January. There is also one small break during November. You can clearly see that this could be a chat between friends who happen to be students but don’t have the same classes together. Those friends probably spend a lot of their free time together, which explains the lack of data during the breaks.</p> |
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<p><strong>Days Chat B</strong></p> |
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<p><img src="/.%5Cwhatsapp-analyzer%5CheatmapB.png" alt="heatmapB"></p> |
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<p>We can see that the amount of messages remains pretty stable. This could prove our theory of two people in the same household as true. The gap in August could be a planned vacation maybe?</p> |
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<p>It would be pretty frighting if I told you all our assumptions were correct. Right? You may now probably recognize that metadata is a lot more valuable than you originally thought. But what conclusions can we draw from this new gained awareness? </p> |
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<p>Most people rely on the encryption of their messaging apps. If no one can read my data then I am safe right? No. As we can see, an attacker does not need access your communication in order to gather valuable information.</p> |
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<p>Just keep that in mind. </p> |
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</content> |
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<updated>2023-05-18T14:26:18.000Z</updated> |
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</entry> |
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"id": "https://tim.kicker.dev/2023/05/18/whatsapp-analyze/", |
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"url": "https://tim.kicker.dev/2023/05/18/whatsapp-analyze/", |
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"title": "Data about data", |
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"date_published": "2023-05-18T14:26:18.000Z", |
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"content_html": "<p>I am a huge fan of gathering, analyzing and evaluating data. Creating statistics and colorful graphs just has something to it. But the interesting part is not necessarily the data itself, it’s the data about the data. How often does something occur, at which time and by whom are very important characteristics when it comes to creating patterns.</p>\n<p>For example, let’s look at the two weekday-graphs of two different WhatsApp-chats of mine.</p>\n<p><strong>Hours Chat A</strong></p>\n<p><img src=\"/.%5Cwhatsapp-analyzer%5ChourchartA.png\" alt=\"hourchartA\"></p>\n<p><strong>Hours Chat B</strong></p>\n<p><img src=\"/.%5Cwhatsapp-analyzer%5ChourchartB.png\" alt=\"hourchartB\"></p>\n<p>It is not that hard to figure out the difference between those two graphs. The amount of daily messages in A are pretty stable except Friday and Monday, which are two extremes. Maybe this could be about a friend group planning what they’re going to do on the weekend? The general quantity of messages are also lower as in figure B. The second chat also has a huge gap between Sunday and Saturday. Could this be a groupchat related to work? Or is it someone close who happens to live in the same house?</p>\n<p>You can see that it is possible to gather connections and create assumptions about certain topics without even looking at the data itself. Now let’s take a deeper look.</p>\n<p><strong>Days Chat A</strong></p>\n<p><img src=\"/.%5Cwhatsapp-analyzer%5CheatmapA.png\" alt=\"heatmapA\"></p>\n<p>How interesting. We can see that the group is most active between the end of January till May and spikes again in October. If you happen to live in Austria, you probably now what that means. See most Austrian summer breaks for students last from June till the beginning of September while Christmas lasts from December till January. There is also one small break during November. You can clearly see that this could be a chat between friends who happen to be students but don’t have the same classes together. Those friends probably spend a lot of their free time together, which explains the lack of data during the breaks.</p>\n<p><strong>Days Chat B</strong></p>\n<p><img src=\"/.%5Cwhatsapp-analyzer%5CheatmapB.png\" alt=\"heatmapB\"></p>\n<p>We can see that the amount of messages remains pretty stable. This could prove our theory of two people in the same household as true. The gap in August could be a planned vacation maybe?</p>\n<p>It would be pretty frighting if I told you all our assumptions were correct. Right? You may now probably recognize that metadata is a lot more valuable than you originally thought. But what conclusions can we draw from this new gained awareness? </p>\n<p>Most people rely on the encryption of their messaging apps. If no one can read my data then I am safe right? No. As we can see, an attacker does not need access your communication in order to gather valuable information.</p>\n<p>Just keep that in mind. </p>\n", |
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<title>Hexo</title> |
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<description></description> |
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<pubDate>Thu, 18 May 2023 14:26:18 +0000</pubDate> |
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<title>Data about data</title> |
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<link>https://tim.kicker.dev/2023/05/18/whatsapp-analyze/</link> |
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<pubDate>Thu, 18 May 2023 14:26:18 +0000</pubDate> |
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<description><![CDATA[ <p>I am a huge fan of gathering, analyzing and evaluating data. Creating statistics and colorful graphs just has something to it. But the interesting part is not necessarily the data itself, it’s the data about the data. How often does something occur, at which time and by whom are very important characteristics when it comes to creating patterns.</p> |
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|
<p>For example, let’s look at the two weekday-graphs of two different WhatsApp-chats of mine.</p> |
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<p><strong>Hours Chat A</strong></p> |
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<p><img src="/.%5Cwhatsapp-analyzer%5ChourchartA.png" alt="hourchartA"></p> |
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<p><strong>Hours Chat B</strong></p> |
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<p><img src="/.%5Cwhatsapp-analyzer%5ChourchartB.png" alt="hourchartB"></p> |
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<p>It is not that hard to figure out the difference between those two graphs. The amount of daily messages in A are pretty stable except Friday and Monday, which are two extremes. Maybe this could be about a friend group planning what they’re going to do on the weekend? The general quantity of messages are also lower as in figure B. The second chat also has a huge gap between Sunday and Saturday. Could this be a groupchat related to work? Or is it someone close who happens to live in the same house?</p> |
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<p>You can see that it is possible to gather connections and create assumptions about certain topics without even looking at the data itself. Now let’s take a deeper look.</p> |
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<p><strong>Days Chat A</strong></p> |
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<p><img src="/.%5Cwhatsapp-analyzer%5CheatmapA.png" alt="heatmapA"></p> |
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|
<p>How interesting. We can see that the group is most active between the end of January till May and spikes again in October. If you happen to live in Austria, you probably now what that means. See most Austrian summer breaks for students last from June till the beginning of September while Christmas lasts from December till January. There is also one small break during November. You can clearly see that this could be a chat between friends who happen to be students but don’t have the same classes together. Those friends probably spend a lot of their free time together, which explains the lack of data during the breaks.</p> |
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<p><strong>Days Chat B</strong></p> |
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<p><img src="/.%5Cwhatsapp-analyzer%5CheatmapB.png" alt="heatmapB"></p> |
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<p>We can see that the amount of messages remains pretty stable. This could prove our theory of two people in the same household as true. The gap in August could be a planned vacation maybe?</p> |
||||
|
<p>It would be pretty frighting if I told you all our assumptions were correct. Right? You may now probably recognize that metadata is a lot more valuable than you originally thought. But what conclusions can we draw from this new gained awareness? </p> |
||||
|
<p>Most people rely on the encryption of their messaging apps. If no one can read my data then I am safe right? No. As we can see, an attacker does not need access your communication in order to gather valuable information.</p> |
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<p>Just keep that in mind. </p> |
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]]></description> |
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</item> |
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</channel> |
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</rss> |
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