Professional social networking site LinkedIn (NYSE:LNKD.DL) announced earlier this week that it would be opening up its publishing platform to all members, not just certain select "Influencers" like it has previously. Is this an effort by the company to resemble more closely the current giant among social networks, Facebook (NASDAQ:FB)? Motley Fool tech and telecom analyst Evan Niu thinks so. He sees the move as a way for LinkedIn to drive ad revenue and revenue for its Marketing Solutions segment, as well as to build out more overall platform engagement among users for LinkedIn.

This could come at a good time, since LinkedIn's engagement may actually be slipping. Evan also discusses in the video why engagement may hold a different meaning for LinkedIn than it does for Facebook or Twitter (NYSE:TWTR), which rely on ads for their revenue. Evan gives investors the real metrics to watch with LinkedIn in terms of engagement, and discusses why Facebook may be giving LinkedIn cause for concern.

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