If you Google for “Do a barrel roll” or “Tilt”, Google’s easter eggs will make Google do what you tell it.
What Google Plus needs to improve next
Which of the big three social networks will survive? Twitter, Facebook, Google+? What about XING, StudiVZ and Orkut?
How to add / invite people to Google+ / Google Plus.
My optionion on the religious wars between Android and iPhone geeks