Here's the thing: you can always take the risk of building a product in the frontier. But the web is no longer the frontier. You can estimate the size of your m

Here's the thing: you can always take the risk of building a product in the frontier. But the web is no longer the frontier. You can estimate the size of your market in two weeks, spending a few thousand dollars. You don't have to build a product from scratch; in fact, you could build a whole webapp running on S3 and connecting to pluggable services. Is this a waste of our best and brightest? Frankly, I don't know. But how many brilliant, young entrepreneurs got burned out after a catastrophic failure in the old model and never recovered?