1. Less spam: You don't like spam. Neither do we. Gmail blocks spam before it gets to your inbox.
2. Search : Search instantly within Gmail to find the exact message you want.
3. Conversation view : Messages are grouped with the relevant responses -- so you can always see messages in context.
4. Built-in chat : With just one click, you can chat in Gmail or talk face to face with voice and video chat.
5. On the go : Access Gmail from your phone – regardless of which device you use.
6. Lots of space : Over 10284.249026 MBs of free storage space – and more to purchase if you need it.
7.Call phones : Call any phone in the U.S. and Canada for free and get low rates to other countries.
8. Priority Inbox : Automatically separate important email from everything else and focus on what really matters.
9. Secure : Just like bank websites, Gmail uses HTTPS encryption to keep your mail secure
10. Free! : All this for free..