From a marketing perspective, it's a greater blunder still: asking people to think about what they'd want Glass to do it will quickly set expectations well beyond what's technologically feasible for an initial product. That and the wishful concept video almost guarantee the initial product will be a disappointment. And that's a damn shame, because given Google's talent, it'll nevertheless be a engineering feat of epic proportion.
That said, perhaps Google doesn't care about releasing perfectly marketed hit products a la Apple. If wearable computers catch on that make it easier to check-in to the places you go and +1 the stuff you like, they'll make tons more money from useful targeted ads than units of hardware shipped, just as they do now.
That said, perhaps Google doesn't care about releasing perfectly marketed hit products a la Apple. If wearable computers catch on that make it easier to check-in to the places you go and +1 the stuff you like, they'll make tons more money from useful targeted ads than units of hardware shipped, just as they do now.