Instant Online Messengers are the best form of social networking service over internet. Messengers like Yahoo Messenger, MSN Messenger, AOL Instant Messenger, Rediff BOL and Google Talk have served millions of people to be linked with people from across the globe, make new friends, increase their social boundaries and also share information of different kinds. So considering all these aspects I thought of reviewing all these softwares and present to you a deep study of what is better for whom. so Let's get started err Sign In.