"Salesforce.com won't disclose exactly how the Influencer algorithm works. It's more than just tabulating number of posts, though. In fact, workers could actually be penalized for sheer volume, if colleagues don't consider their content useful. "We don't want people being noisy," Chatter general manager Kendall Collins tells Fast Company.

Instead, the algorithm looks at things like how many Likes a post gets or how often it's re-shared. "It surveys all the activities you're involved in and weighs them differently," King says.

He adds that managers wanting to evaluate worker influence will probably want to combine the machine-generated score with the output of an explicit recognition system, like Salesforce.com's newly acquired Rypple, which allows employees to give each other badges for great work.

When you add a system like Rypple, King says, "you get a complete picture–not only what's derived [from activity on the system] but also what's declared by peers and managers.""

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via +Rebecca Spizzirri 

Jeffrey J Davis originally shared this post:

Interesting , companies begin to use internal Klout-like influence ranking systems to include influence in performance assessments.

Measuring An Employee's Worth? Consider Influence

The performance review of the future will include services like Salesforce.com's Chatter and its Influencers feature, which measures how much weight you carry among your peers.