Furious about a negative Boston Globe review, novelist Alice Hoffman took to Twitter to write nasty things about the critic, whose phone number and e-mail address she gave out. “Tell her what u think of snarky critics,” she tweeted. But Hoffman “comes off like an aspiring literary gang leader, dispensing orders 140 characters at a time.” And not being all that cautious about those characters, either: She got the critic’s phone number wrong.