Get a US SIM card – last year I got one from T-mobile that was easy to cancel after a month and gave me unlimited data for $50 – is that still available? Or is there something better?
Go into the city, hang out, see at least one person I already know.
Asked about coworking spaces on twitter last night – @citizenspace came up will definitely drop in.
My host Philip just e-intro'd me to the founders of airbnb.com so would love to meet & chat with them.
Relax a little and stop worrying about making everything perfect.
Get down to Half Moon Bay to meet with Robert & Maryam Scoble with whom I'm staying tonight.