Thanks for the useful information to the study. I 4th day I wanted to write posts of their own, but I'm late on the comments - gave up and began to reply to comments, reading the posts, I am interested in them as ever. Every time the post was helpful information for the study. Twitter, 2 hours, visited for 4 days !!! Although out 10 hours a day. Here, if You don't break the rules, you are swimming in the clear water.
RE: Which came first, the Engagement or the Reward?