Before June 29th, 2012, you could connect your Twitter account to LinkedIn, and then when you tweeted, it’d go to both your Twitter followers and your LinkedIn followers. But the end of June, Twitter stopped allowing tweets to be syndicated directly into the LinkedIn newsfeed.

A lot of people, including me, wondered if the LinkedIn newsfeed would shrivel and die.

I asked Brian Carter to research how much traffic LinkedIn sent to 500+ Facebook pages that had between 100,000 and 1,000,000 fans.

The results were surprising–LinkedIn traffic spiked by 1000%!

To be clear, LinkedIn wasn’t driving a lot of traffic in the first place, so it’s not that hard to spike by 10x.

But this does imply that more people read the LinkedIn newsfeed than I expected. It might be worth spending the time to copy/paste tweets and Facebook posts over to your followers on LinkedIn as well.

In fact, when I compared LinkedIn traffic to Google and Bing, LinkedIn now drives more traffic than the two of them combined: