Gary Vaynerchuk of Wine Library TV may be overtaking Robert Parker as the country's most recognizable - and polarizing - wine expert.  This weekend, watch him on BigThink.com giving a seven minute wine course, talking about overrated winemakers, and declaring that online social media is the next generation of business.  After the jump, catch a sneak preview of Gary's interview: he shares his foolproof techniques for impressing a dinner date while talking to a sommelier. 

UPDATE:  Gary is now live on the site.  Aside from the above, Gary talks about his heroes, his career (including the moment he fell in love with wine), and more.