Three weeks ago I read a tweet from @web_martin who had requested all his data from Twitter under European law and received a .zip file with his data from Twitter. He linked to the Privacy International blog which has written down step by step how to request your own data. On March 27, 2012 I initiated my request...
Let’s briefly go into some findings [of what they have on me]:
Contains all the contacts in my phone, which is a Google phone, so it has my complete Gmail address book, enabled by the ‘Find Friends’ feature. The file lists 152 phonenumbers and 1186 e-mail addresses. I must have used the ‘Find Friends’ feature once, probably when I first installed the official Twitter Android app. After becoming aware of the fact that Twitter copies your complete address book I have avoided this feature and similar features in other applications and other social media platforms. However, my data is still being kept by Twitter and there is no way to delete it. Twitter knows all my friends and acquaintances. Update: learn how to remove this data...
Lists all logins to my Twitter account and associated IP addresses between February 1, 2012 – April 12, 2012.
Listed are quite a few IP-addresses that resolve to: Host: ec2-107-20-112-109.compute-1.amazonaws.com. Country: United States. Any idea what this might be? An external service I have authorized to access my Twitter account that uses Amazon Web Services?..
[an] almost 50MB text file contains all my tweets. All 47455 of them.The collection presents a really readable and searchable archive of all my tweets...
Update 5: An easy solution to remove your contacts from Twitter
Saturday, April 21, 2012
What Twitter Knows about You
Anne Helmond writes from Amsterdam: