This is an awesome prank. What you see here is the Windows desktop that Redditor Croft1342 was greeted with after having a friend repair his computer. Jigsaw from the Saw movies is such a jerk. Only one of those Chrome icons is actually Chrome.
One of the more recent features to turn up in IM programs and services is to notify others when they have read your messages. This can be both good and bad. If this is something that annoys you on Facebook Chat, then you should try Chat Undetected.
This is how things are in the browser world: Opera never recovered from its commercial days, Safari is… okay I guess, Firefox is customizable, Chrome is speedy, and Internet Explorer is owned by a powerful company with lots of money.