ArenaNet creating Guild Wars 2 API for players to build their own tools

You think it's enough that Guild Wars 2 will soon be churning out updates on a fortnightly basis ? No? Well, how about access to its code, then? Yep—that's exactly what ArenaNet is doing, enabling players to create their own tools, apps, and more.

"If you want to know the current World versus World status and who owns what towers and keeps, all that information is being exposed. We're going to keep adding new features and exposing more code."

Zadorojny thinks the API will be used mainly to craft iOS and Android apps to complement the GW2 experience. I wonder if any fans will take it upon themselves now to develop the planned-but-never-executed marketplace-scanning app ...