'iPad Wall' Concept, and Union Square's Bigger Germ-Free Bubble

· Already? A Australian library's "iPad Wall" [CHC, via Curbed]
· Former Fremont mayor wants to merge tri-city area [IBA]
· Compromise possible for Haight sit-lie law [SF Examiner]
· Exploratorium founder Frank Oppenheimer dies [SFGate]
· Valet operator brothers opening a Hayes Valley resto [Eater SF]
· Friday video: inside the Russian Hill octagon house [You Are SF]
· More pedestrian streets possible in Union Square [SF Examiner]
· "Baby bullet" trains would share tracks with high-speed rail [Sac Bee]
· Big money pouring in for Niners stadium [NYT]