You know, Hamster has a good idea, but this platform will be the same as other marketplaces finally: a bunch of similar types of goods, which are produced according to the same scheme. And the audience will become regular, it will need universal goods. Its possible to skim the cream off only during the first few months after the launch.
Why do you think so? There will never be one-type and universal goods on the platform, because it will be open only for innovative gadgets.
Well, even if only for them. After all, any innovations turn out to be mediocrity some time later, numerous manufacturers will start producing the same goods and thats all, a large assortment will fade away.