Back in June, we covered Pay with a Tweet. Developed by German-American Innovative Thunder, Pay with a Tweet bills itself as "the first social payment system where people pay with the value of their social network." In other words, rather than paying with currency, purchasers of any kind of content tell their friends on Twitter about it instead. We had a feeling it wouldn''t be long before we came across another like-minded initiative. As if on cue, along comes SocialWhispers, a site that enables the exchange of online content for a tweet or status update on Facebook. Read the rest of this post on OPEN Forum &rarr'