Looks like Verizon's idea of levying mandatory data fees on tablet buyers may be a global thing -- not only will new Xoom owners have to activate and pay for a month of data, but an eagle-eyed tipster sent in this image of a Best Buy price tag that confirms the very same for Samsung's Galaxy Tab. There's nothing to suggest that WiFi-only versions of either tablet would be subject to the surcharge -- with these cellular variants, we can almost understand -- but we don't see 3G iPads carrying mandatory activations, so what's the deal, Veriz