peHUB First Read

* Chris Dixon: Underhyping your startup * Facebook blocks employees from selling shares on the secondary market. * The next "public" pension problem: Automaker pensions are underfunded by $17 billion. * Morning Call: U.S. futures point lower, London falls early, European shares flatten, the Nikkei climbs and Hong Kong shares hit 3-month high. * The Odd Couple: Wilbur Ross and Richard Branson * 15 Venn diagrams to explain the Internet's fascination with Venn diagrams. * Alex Spiegel: "Assumptions about placebos — the proverbial sugar pills given to patients during medical trials — are changing." * Nicholas Carson reports that Yahoo is considering a $100 million buyout offer for FourSquare, but Owen Thomas thinks it's a ruse by Foursquare's bankers.