[joev]

Agile development practices are at the point of their adoption cycles where the hype has died down, and the chaff has been thrown out. Organizations of all sizes have adopted agile practices, from small startups, to global megacorps, with varying levels of success.

Agile development isn't a sexy, novel new thing these days. That doesn't mean it's "jumped the shark", it means it's a fairly mature and understood practice.