[metafunctor]

There is a kind of scarcity in abundance.

When the marginal cost of shelf space approaches zero, another factor comes into play: time spent by the buyers.

With too many shelves in the store, many products will never be bought, no matter how good they are.

[scottdw2]

There are already 1M apps in the App Store.

There's already too many apps, so preventing "over choice" isn't their goal.