The "lists" feature Twitter just rolled out has been swiftly repurposed by the celebrity-industrial complex to pump up the accounts of tweeters like Ellen DeGeneres. Lists show celebrities exactly who can send them followers. And thus who to spam.

Earlier today, a large number of hard-core Twitter dorks — sorry, "influencers!" — noticed DeGeneres was following their accounts. Many were flattered, followed back and tweeted about it. "I am looking fwd to being a guest... now that she is following me," one wrote. But DeGeneres wasn't making friends; she was on a rampage. Near the start of the spamming, she was following 6,100, according to the notification one influencer received after DeGeneres followed him (see below, with the name changed). Within a couple of hours, she was up to nearly 6,700.

How did DeGeneres suddenly find 600 geeks to follow? Closely-watched Silicon Valley blogger and marketing specialist Louis Gray figured out the answer: Lists. Of the many lists already out there, the most popular include several lists of "influencers" and "thought leaders