Procter & Gamble is sitting out the Facebook boycott, and theories are flying

· Procter & Gamble is the world's biggest advertiser, and it's so far sat out the Facebook ad boycott.
· P&G's marketing chief Marc Pritchard said the company was reviewing everywhere it advertises and making sure its ads don't appear near hateful, discriminatory, or denigrating content.
· That position on the boycott has...