Is Facebook’s new Graph Search Engine a danger to Google, LinkedIn, Yelp & Foursquare?

Is Facebook’s new Graph Search Engine a danger to Google, LinkedIn, Yelp & Foursquare, as according to these arguments?

Answer by Robert Scoble:

It is a threat, but only in the long-term if the others don’t react quickly.

I’ve used the new search engine quite a bit. Yes, it is disruptive to many of those competitors.

Just so you know where I’m coming from, I study how others use Facebook and have built several lists, including these:

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