Investment is pouring into social commerce, the fusion of social media with e-commerce: Over $90m in the last sixty days…

From the list, it’s clear that social shopping sites and software (enabling people to share the act of shopping) and private sale sites (driven by shopper-get-shopper referral programs) are the hot areas in social commerce right now.  With Amazon looking to buy private sale site Vente-Privee for $3bn, look for more innovation and investment in private sale sites in 2010.