OpenSecrets.org @OpenSecretsDC
Google and Facebook have served up 2 billion Bloomberg ads so far this year, which works out to 30,000 a minute. His digital spending is just the tip of the iceberg Cool #DataViz from @washingtonpost https://t.co/RRn0SKv44P https://t.co/SlYucrAvwC — PolitiTweet.org