Twitter apocalypse? Companies are paying for ads in tweets

The New York Times is calling it “perhaps the last frontier in advertising,” that is, “getting regular people to send a sentence or two of text, on behalf of paying advertisers, to their friends and admirers.” John Chow , an online entrepreneur, made $3,000 in October for tweeting ads, including one for M&M’s that earned him $200. (Chow has 50,000 Twitter followers, by the way.) Meanwhile, Amazon announced this month that it will start paying commissions to Twitter users who refe…