Jeremy Baron, 10/02/2015 22:33:
I'm pretty sure Hampton was ruby mobile web interface which IIRC rewrote the desktop output on the fly.
For those who have forgotten, see his blog posts in 2009: https://blog.wikimedia.org/author/hcatlin/ There are some screenshots in them, as well as mentions of other people who helped make the mobile site back then: Derk-Jan Hartman, Jacques Crocker, Niklas Laxström. https://blog.wikimedia.org/2009/10/12/october-mobile-update/
Nemo