We've often joked that if you took all of the blogging about blogging out of blogging, there'd be nothing left to blog about, so we've always tried to steer clear of the blogging navel-gazing (after all, we're generally pretty busy with the media navel-gazing). However, this is too good to pass up. The new Mas OS, Tiger, ships with a built-in version of the New Oxford American Dictionary, and here's how it defines blogs:

'Nuff said.