The site's new “Election Insights” tool makes plain what we kind of already knew: nobody is talking about Biden online. He's literally flatlining.

Just a couple weeks behind Twitter, Facebook has gotten into the political data game. LikeTwitter's Political Index, Facebook's Election Insights tool (hosted by CNN) was created in conjunction with a third-party data processing company; Facebook used Mass Relevance while Twitter worked with Topsy.

It's a fairly straightforward indicator of how much a specific candidate is being mentioned, a metric that won't be that useful until we all have some time to get used to its correlation with other, more established indicators. But one thing does stand out: Biden. His is the saddest trend line, flat and low and appropriately almost a grayish blue. He has just 367k likes as of today; Paul Ryan, who passed him within two days of being announced as Mitt Romney's VP, is nearing 2m.

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