Here is an excellent post on the effectiveness of social commerce at this point in time: Is Social Commerce Fact Or Fiction?.
There’s a lag between the realization that social commerce is the next major increment in the e-commerce evolution and the cold, hard facts.
Why? Trust on the part of the consumer, and the effective social media strategies on the part of the e-tailers seem to be the main reasons. You’ll see more in the infographic.
Let me know if you agree.