On: Are You This Agile? Paul Graham Changes Hacker News While You Wait

[bayareaguy]

agile [aj-uhl, -ahyl] Pronunciation Key adjective

1. quick and well-coordinated in movement; lithe: an agile leap.

2. active; lively: an agile person.

3. marked by an ability to think quickly; mentally acute or aware: She's 95 and still very agile.

[willarson → bayareaguy]

Although refutation by dictionary is a valued technique, I think its invalidated here by the capital A in Agile.

[bayareaguy → willarson]

The word Agile appears exactly once in the article: the title (where every word is capitalized).

Yes, it's possible he's referring to Agile Programming but that's a stretch given all the other facts here.