5 Things To Know This AM — Oct 21 2011

Experience yesterday's earthquake all over again with this roundup of the best #earthquake-themed tweets around town. (PopSugar SF)
Prada’s Luna Rossa yacht might be headed to the American Cup, held in San Francisco, in 2013. Miuccia, let's make this happen. (WWD)
The Bay's resident rapper M.C. Hammer debuted his new search engine start-up, WireDoo, at the Web 2.0 Summit. (NY Times)
S.F. ranked 4th in the Daily Beast's questionably scientific list of the 10 Angriest Cities In America. (HuffPo)
Suppenkuche's highly anticipated Biergarten just opened in Hayes Valley. Peep some pics of it. (Thrillist)
MC Hammer
Photo: Via Twitter/MC Hammer