Windows 7 have a nifty feature which combines the windows of opened applications under the same taskbar button. If you don't like it you can always turn it off.
Mozilla Firefox is still the web browser with the most plug-ins and extensions to choose from. Today I will show in my opinion one of the most useful ones.
Samsung Galaxy S3's screen is so beautiful that not watching movies on it is almost ridiculous. And if you own some other type of a smartphone than this tutorial is meant for you as well.
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.
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.
If you experience an Mac OS X program to freeze and you cannot exit it by clicking quit or using a keyboard shortcut, you can always force it to quit using the Activity Monitor.