Best application for Chatting, sharing photos, contacts, location etc. over a internet. I am using it from last 8 years. First of all the concept was awesome. It is very use full to stay in touch with colleagues, family, friends & loved ones.
Pros:
1) Best for stay connected with others.
2) Good concept.
3) Very useful for sharing media files, contacts and location.
Cons:
1) Internet Connection is mendatary.