This blog has moved! This post and other mistakes are now at https://mango.pdf.zone Look I’m not really sure why but I think I made a thing that makes graphs of when people are online on Facebook. It sounds kinda creepy and uh it is. Read along so you, too, can be the NSA. ˙ ͜ʟ˙ Little green dotsYou know those green dots on the sidebar on Facebook that tell you who’s online? How do they get there?
![Graphing when your Facebook friends are awake](https://cdn-ak-scissors.b.st-hatena.com/image/square/de59e783e71b9142c3ba34ca2a78efa6bde65b81/height=288;version=1;width=512/https%3A%2F%2F64.media.tumblr.com%2F1de7e3691413a7ff657d151193adc508%2Ftumblr_inline_o2iuleaQX21t2msv6_1280.png)