Is Facebook’s Android App Monitoring My Phone Calls?

Facebook’s Android app seems to be monitoring whom I talk to on my phone. A few days after I’ve called somebody who wants to submit a paper to Fornvännen, or after I’ve texted the mom of one of Jrette’s buddies, the web site will suddenly suggest, “Hey, maybe you might want to be Facebook buddies with this person you didn’t even know was on Fb, and with whom you have no shared Fb contacts!”. And there’s that person.

It’s possible, I guess, that this is actually set off by those people looking at my profile on Facebook. But it’s happened a few times too many. I wonder…