SFist commeters pose for before and aftershocks when the mayor commemorates a 1906 earthquake…at 4:30 in the morning. A hot tip on the Chronicle vending machines comes in and the SFist war correspondent risks life and limb to post this dispatch from the frontlines. Houstonist announces their new Cops spinoff “World’s Funniest Tazer Videos” and the possible cancellation of their pervs’ “World’s Grossest Bathroom Videos” and PBS trains cams on cows at, uhg, Mootube. Also,…