According to BusinessWeek.com, Tech Beat author, Rob Hof says, “Specifically, users in LinkedIn will be able to check a “tweet this” box near their network update post to Twitter. And while on Twitter, they can add the hashtags “#in” or “#li” to their posts to appear on LinkedIn. Finally, a new app called Tweets will let users put their Twitter streams on their LinkedIn profiles.”

Here’s a video with LinkedIn Executive Chairman Reid Hoffman and Twitter cofounder Biz Stone and you can click the video to read the full story.