The "new darkness" refers to the closed nature of traditional app stores.

The closed nature of the lake contributes to reduced water quality.

The closed nature of the group frustrated many members of the small intellectual elite.

Matt is particularly intrigued by the closed nature of Wilbur trying to avoid it in any way.

The closed nature of China's bureaucracy also poses a puzzle.

The closed nature of the process leads to tightly controlled quality.

Others seek emotional safety from the relatively closed nature of the polyfaithful commitment.

"The most difficult thing about doing business in Japan is the closed nature of the economy," he said.

However, the closed nature of these systems limited their flexibility.

It's a different dynamic thanks to the closed nature of the App store.