Klout , that score-keeper of online activity, has announced changes to the way it calculates and displays scores and rankings. For one, it will take into account 4 times as many signals, AllThingsD explains , picking up 400 cues like list memberships and Facebook subscriptions before assigning a person a score. Klout's controvertial  assigned scores and areas of "influence " have sometimes baffled users in the past, but Klout hopes to make their workings a little more transparent in this update. For one, Klout will indicate in a user's timeline when their influenc-o-meter spikes.
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