"Q: When will Echo be available? A: A year ago, we estimated a 2013 availability. We’re still working on perfecting the technology. We haven’t released a revis

"Q: When will Echo be available? A: A year ago, we estimated a 2013 availability. We’re still working on perfecting the technology. We haven’t released a revised availability date." I'm all for several kinds of these things, just as we have different kinds of watches and phones. It's a matter of taste more than anything once the basics are established, as they clearly are. And, of course, of getting it to market. Hopefully the Coin I preordered today isn't still in preproduction a year from now.