This blog runs on WordPress.com and it never stops to amaze with its stability, practically no down time and cool features like tags, categories, akismet spam blocker, wonderful themes and extensions etc… and the coolest of them all. It is absolutely free.
Little wonder that the open source WordPress has become the most sought after blogging software in the world. Everyone from the NYT, Gigaom, Livescience etc… uses it.
This interview of Toni schneider, CEO of Automattic, the owner of the WordPress platform with Robert Scoble, the No 1 WordPress.com blogger is worth listening to where he talks in depth about the WordPress platform and their future plans.