Google CFO retiring, leaves spreadsheets for backpack

Google Inc's finance chief said on Tuesday that he plans to retire, the latest in a series of changes in the company's upper ranks but a move that some analysts said was unlikely to cause major disruptions. Patrick Pichette is leaving Google to go backpacking, the 52-year-old French Canadian announced in a lengthy post on his personal Google+ Web page on Tuesday. Google, which dominates the online advertising business, expects to find a replacement for Pichette within six months, the c