Nokia has tied up with Microsoft to fight android and apple. Nokia will be saying good bye to their proprietary OS Symbian by replacing it with the windows phone 7 OS .Microsoft has given the liberty to customize everything on their OS but Nokia decided to go with the default. By hearing this news over 1500+  developers of Symbian OS who have spent hundreds of hours is developing the OS have walked out of the office in order to show a non-violent protest against Nokia's decision. Industry experts are saying that next year life support will be taken off to Symbian.