Full description: Satish Dharmaraj is a partner at Redpoint Ventures and lead investor in posterous, former angel and was CEO of Zimbra, which sold to Yahoo ($3

Full description: Satish Dharmaraj is a partner at Redpoint Ventures and lead investor in posterous, former angel and was CEO of Zimbra, which sold to Yahoo ($350M). Satish gives the investor perspective on getting traction and explains how Zimbra got traction through an open source community, PR and product/market fit. Satish also comments on idea generation, posterous and onebox.com.