Brian Solis / PR 2.0:

Sarah Lacy on Sarah Lacy and the SXSW Mark Zuckerberg Keynote  —  I spent time Sarah Lacy and we talked about Mark Zuckerberg and the SXSW keynote…  I’m sure you heard about the infamous Mark Zuckerberg SXSW keynote hosted by well known author, Business Week columnist and Yahoo TechTicker host Sarah Lacy.