 In 1996 he co-founded a free electronic greeting card website, bluemountain.com, which was sold to Excite@Home in 1999 for $430 million in stock and $350 million in cash.In February 1998 Polis founded ProFlowers, an online florist, in La Jolla, California.In December of that year, economist Arthur Laffer began advising Polis and joined ProFlowers as a Director.