Who knows, but Facebook definitely knows!
While Facebooks Messenger is great for many things, its most recent among them is tracking sleep.
He wrote a program that checks Facebook every 10 minutes to see who last checked Facebook and when.
The program then compiled all his Friends and their downtime into an organized timeline.
For those who are interested in knowing their friends sleeping patterns can find the source code for fb-sleep onGitHub.
ATumblr postabout a similar project went into more technical detail about the information and coding involved.
This is not the first time a coder uses Messenger to track friends activity.
Inspired by Harry Potter, he used a similar approach like Louv-Jansen to collect data.
They are likely using this data for profiling, and creating more user-specific ads, Louv-Jansen wrote.
source: www.techworm.net
