The TechCrunch review is golden. Like the Guardian critic, I thought it was a parody and found myself waiting for the dulcet, reassuring tones of the Sarcastic Gamer guy to suddenly commandeer the narration. Tones which, alas, never came.
Aside from all the technical objections, do you really want to be physically attracted to your own e-mail? Dealing with spam is distracting enough.