Christopher Columbus was an European explorer and trader who by coincidence discovered America in the 15th Century. Check your knowledge and build up your Dreevoo profile.
It's highly recommended to protect your computer against Virus, Malware, Spyware and other potential threats. Microsoft Security Essentials is one of the better, free solutions.
You are preparing a world wide event in your city and you want to be sure that every person around the world will know the exact time in their city. You will find out how in this tutorial.
