Ever wondered why a topic is trending on Twitter? A new service – that does heaps more besides – tells you. Brizzly.com:

Brizzly - blue box shows trending topics and why

Brizzly - blue box shows trending topics and why

Hat tip: Keith Don who tweeted an invite link. I got one. You didn’t. Life sucks doesn’t it? Heh.

Brizzly2

You wouldn’t use Brizzly just to find out about trending topics and why they are trending – you’d probably want to migrate across your social network activity to their dashboard, and there are plenty of other dashboards around. I simply found the option to click WHY? a unique one. So far at least.