As Android becomes more popular…it is essentially becoming the Windows of mobile phone operating systems. Having a Symbian or W7 phone is like having a Mac, or to a better extent certain Linux distros.
People!! Make sure any app you use keeps your login stuff encrypted. (Very often, nope, just a simple text or byte file.) Make sure your connection is secure, and view all web pages over https, not your usual http protocol.
Honestly, keep your Internet and Facebook stuff at home. Live life a bit offline.