Rover Curiosity, the biggest laboratory on wheels, successfully landed on the Red Planet's deepest crater called Gale and you can follow it on Twitter and Facebook as well.
Dropbox is an amazing cloud based web service enabling you to store your stuff like pictures and documents and access them from any device with an Internet connection. Plus you can share the stored items with others.
After almost 40 years, there is a new robot on the Moon and it was successfully launched by China. Check out a few pictures Chinese moon rover already captured up there.
If you are a heavy twitter use, possibly with more then one account, than I suggest you to give Tweetdeck a try. You can arrange, schedule, monitor and manage your tweets with ease.
If you know how many years or months you got left until the retirement or any other event or project in your life, Excel can return you the exact date and the number of days left to reach it.
You got a .rar file and you don't how to open it, some one asked you to send him "a rar file" or you just need a good archiving software? Download and install WinRAR.