Behind Ning's $750 million playJuly 23, 2009: 3:55 PM ET
Ning CEO Gina Bianchini is getting lots of curious looks and occasional "Congratulations!" at Fortune's Brainstorm Tech. The news leaked this week that her start-up raised $15 million at a company valuation of $750 million.
You can read the whole story here in Pattie Sellers' Postcards column.