I'm also at a loss to understand why some people think that not implementing every single little experimental feature is a bad thing.
It's one of Amazon's experimental features and it has oddities at the moment.
It was considered to have an "admirable balance between the fundamentals and the experimental features of the field."
The prefixes are there so that the experimental feature can change.
I don't think anything of value was lost, as it was an experimental feature.
Chrome also has a built-in ability to enable experimental features.
One of the experimental features is a line completion.
The enhanced version is actually the full version of the program, including some experimental features.
This model allowed him to explain many experimental features of muscle contraction such as its speed, Hill's law, etc.
Instead, experimental features are provided to support newer games.