The site combines Q&As with social networking, so you can search for people and follow them to see what topics they're interested in. For example you can follow Twitter's Evan Williams, who is currently tracking topics including Twitter, Facebook, startups and bacon.
When somebody answers a question, you can 'vote up' their answer, just like you would on Digg, and you can endorse users in much the same way as you can hit 'Like' on Facebook or say something nice about a colleague on LinkedIn.
Quora can be accessed based on invitation only. If you try to sign up, this message wil appear:
Sorry, you must have an invitation to create an account on Quora. Already have an account? Login here.
How to get Quora invitation
There are two simple steps:
