The following video is part of our "Motley Fool Conversations" series, in which research analyst Catherine Baab-Muguira and industrials editor/analyst Isaac Pino discuss topics across the investing world.

A new Reuters poll reveals that four out of five Facebook users say the site has no influence on their purchasing decisions -- a disturbing fact, given that Facebook's current business model is almost entirely dependent on advertising. As if that weren't bad enough, the same poll shows a third of users reporting that they spend less time on the site than they did just six months ago, which doesn’t bode well for Facebook's attempts to monetize its user base in some other, yet-to-be-devised way. Analyst Cat Baab-Muguira relates her own experience in quitting Facebook, seconding the findings of the Reuters survey. Is Facebook's appeal (and potential) draining away?

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