Southern California's top startups showed up in force Friday at the Westin South Coast Plaza in Costa Mesa, for the Technology Council of Southern California's annual VentureNet conference. (socalTECH The panelists included James Cham of Bessemer Venture Partners; Beau Laskey of Steamboat Ventures; Greg Martin of Redpoint Ventures; Leo Spiegel of Mission Ventures; Ross Levinsohn of Velocity Interactive; Jim Armstrong of Clearstone Venture Partners; Mike Stuhley of the Tech Coast Angels; and Gus Tai of Trinity Ventures. READ MOR socalTECH was a media sponsor of the conference).