What else do you do in train?

TrainRecently my colleague and I were going from Kyiv to Dnipropetrovs'k by train. During the journey we had more or less comfortable seats and almost 6 hours of free time. When battery of my laptop ran off after watching the Planet of the Apes we started reading articles opened in many tabs on my colleague's FireFox. Here goes the list (not complete though):

Do you think this list is random? I think not.

PS Check out the headline picture of Emacs and Vi. Wouldn't it with symmetrical picture fully describe the situation around Vi and Emacs?