Retail Info Systems 2013 Review & Outlook
risnews.edgl.com/retail-trends/2013-Review---Outlook83548
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
In just one year, social commerce has pivoted its focus from e-commerce transactions on social networks to a new kind of social network in which users are connected by their interests (Interest Graphs) rather than friendships. User generated curation, or collections, is the basis for connecting everyone in the interest graph.