Have you noticed, Facebook has started email services now. It means you can now even receive your business mail directly to your facebook messages inbox.
To explain further , if you are addicted to facebook then now you don't even have to leave your facebook to read your mails. Just activate your personal facebook email account which will go like yourfbusername@facebook.com, now from gmail, yahoo, hotmail , rediff and any email service, people can send mail directly to your facebook.
Today, I was reading my messages and I noticed it, may be I am late to see but I guess not many know about it already.
How to create facebook.com email address
1. Login to your facebook profile,
2. Goto messages
3. You will see option to claim "email address", if not then be little more active and exchange messages then you will get one.
4. Now follow instructions and you will get a personalized FB email address.
Also, if you have already FB email address then ignore all above
Advert.