09.26.10/Progressively Unenhanced
UPDATE: I jumped the gun. This is just a preview of the new Twitter; the non-JS bits will be added in soon.
…
I’m surprised that the new Twitter web client wasn’t developed with progressive enhancement in mind. Here’s what it looks like with JavaScript turned off:

Compared to the old site:

I wonder how assistive devices, such as screen readers, handle the new situation?


