how can PLT experts help improve the web?

Recently many javascript libraries have started molding javascript to become more functional: Prototype provides map/filter functions for javascript arrays. jquery is providing 'chained' methods where every method of an object returns the updated object.

Phill Wadler is bringing us Links, a whole programming language for the web.

Automatic Generation of Intelligent JavaScript Programs for Handling Input Forms in HTML Documents by Tetsuya Suzuki and Takehiro Tokuda is an interesting paper about using constraint solving for web forms.

Is there any other such work being done to imporve actual web applications built every day. Are there other ideas which could help developers and users?