Social commerce involves businesses using online collaborative tools — social networks, real-time feeds and user-generated contributions, for example — in order to sell products and services to consumers. The space is now more dynamic than ever: Hundreds of startups like Groupon, Zynga and CrowdStar have emerged, and it’s also attracting the attention — and cash — of online giants like Google, Amazon and Apple. This report examines the factors propelling the sector’s growth, how it will evolve over the next one to three years and what that means for those companies involved. We also examine factors inhibiting the growth of social commerce, and the likelihood of fragmentation as more local markets emerge. Companies mentioned in this report include Groupon, Foursquare, Gowalla, Playfish and LivingSocial. For a full list of companies, and to read the full report, sign up for a free trial. Read more at GigaOM Pro »