They want more and more engagement, to gain more page views to become another successful website of daily use. Thats the reason they initiated Quora Credits, b

They want more and more engagement, to gain more page views to become another successful website of daily use. Thats the reason they initiated Quora Credits, based on the Variable Rewards http://techcrunch.com/2012/03/25/want-to-hook-your-users-drive-them-crazy/ http://techcrunch.com/2012/03/25/want-to-hook-your-users-dri...