David O. Sacks, Founder/CEO at Yammer, Inc., and at Geni, Inc. and former COO of PayPal, generously shared insights on technology startups and social media marketing in the MBA class of Marketing Professor Niklas Myhr at Chapman University. Best IT startups have a viral component to them like all three he has been involved with. Buying eyeballs with ads quickly gets very expensive. Beware feature creep, launch once you have a “minimum viable product” and get the snowball rolling!