Can facebook/twitter user register to wordpress quickly?

Is the开发者_如何学Pythonre any plungins or api(tutorial) can make user register to each wordpress and facebook/twitter quickly? just a confirm bottom that can write all the register users information into wordpress from facebook/twitter? And write all the register users information into facebook/twitter from wordpress? Thanks.

THe best, most comprehensive solution I've found is Janrain RPX Engage

http://wordpress.org/extend/plugins/rpx/

There is also http://wordpress.org/extend/plugins/simple-facebook-connect/ and http://wordpress.org/extend/plugins/simple-twitter-connect/