Facebook API
http://codesamplez.com/programming/facebook-api-access-token-using-c-sharp
https://developers.facebook.com/
https://developers.facebook.com/apps
https://developers.facebook.com/docs/apis-and-sdks
https://developers.facebook.com/docs
https://developers.facebook.com/docs/javascript
https://developers.facebook.com/docs/javascript/howto/jquery/v2.5
http://www.markhagan.me/Samples/Grant-Access-And-Post-As-Facebook-User-ASPNet
Here I demonstrate the use of the Facebook API SDK use - with jquery - no OAuth needed!
See for ref: developers.facebook.com