Pre-Marketing: TPG enters Yahoo fray

* Yahoo fray: TPG Capital signs non-disclosure agreement

* Valley watch: Luxury merchants hope to clean up the day LinkedIn stock unlocks

* Morning Call: U.S. futures are mixed ahead of jobs data, London rises early, European shares gain on Greece hopes and the Nikkei gains 2%.

* Dana Vachon: The code of the Winklevii

* Roger Ehrenberg: Too many startups or too few VC dollars?

* Profiles in collapse: “Fuld” artist sets his sights on Corzine

* Steve Blank: Why VCs should be startup CEOs

* John McDermott: The epistemology of US banks’ European exposure

* Get Term Sheet: Sign up for our morning email on deals & deal-makers

* Robert Scoble: The $40 billion Zuckerberg is leaving on the table

* Stewart Lyman: Pharma industry meetings could use some new voices

* Tweet of the Day: @pkedrosky Hugely amusing that people treat IPO pricing as some sort of science. People, it’s a marketing exercise.

* Tweet of the Day II: @jeremyhobson: The great thing about Groupon finally going public is that we can stop hearing about them going public.