Data Selfie – A browser extension analysing your Facebook consumption

Data Selfie is a browser extension that tracks you while you are on Facebook to show you your own data traces and reveal what machine learning algorithms could predict about your personality based on that data.

The tool explores our relationship to the online data we leave behind as a result of media consumption and social networks – the information you share consciously and unconsciously.

Data Selfie →
Prepare to be Creeped Out →

How you can use Facebook to track your friends’ sleeping habits

"lastActiveTimes": {
 "3443534": 1456065265,
 "675631492": 1456066386,
 "8657643": 1456062331,
 "255277634": 1456052450,
 "6423324": 1456065173,
 "235323452": 1456065096,
 "3265233223": 1456066381,
 "2432885644": 1456064016,
 "7464340313": 1456062500
}

In the HTML source code of Messenger.com you can find an object containing userids associated with timestamps of last activity – as shown above. Given this it’s really easy to scrape and combine this data in order to get to know each user his/her sleeping pattern.

How you can use Facebook to track your friends’ sleeping habits →

How Target Figured Out A Teen Girl Was Pregnant Before Her Father Did

Data mining at Target:

Lots of people buy lotion, but one of Pole’s colleagues noticed that women on the baby registry were buying larger quantities of unscented lotion around the beginning of their second trimester. Another analyst noted that sometime in the first 20 weeks, pregnant women loaded up on supplements like calcium, magnesium and zinc.

With that knowledge, they can detect pregnant customers, and send them targeted mails. But then one father called, complaining that his daughter received baby-mailings … turns out Target beat him to learning his daughter was pregnant.

How Target Figured Out A Teen Girl Was Pregnant Before Her Father Did →