Good user experience is a compass that guides good product decisions. UX does not just end on the screen. At its core, it is respect for the users that have been using one's product or service and permeates every department of a company – the good ones at least.
I’m focussing on these two communities because of their freshness and ability to provide an alternative blogging experience outside of a hand-rolled solution such as WordPress. They are easy to quickly set-up while offering another spot to spread your brand story.