The relationship between WordPress and Tumblr has always been pretty friendly: Tumblr's own blog used to be on WP, WordPress.com supports Tumblr as a Publicize option alongside Twitter and Facebook, our Akismet team sends them daily emails of splogs on the service, and there's healthy import and export traffic both ways.
Matt MullenwegIf you're building a startup or any sort of organization, take a few moments to reflect on the qualities that the people you most enjoy working with embody and the user experience of new people joining your organization, from the offer letter to their first day.
Matt MullenwegUsage is like oxygen for ideas. That means every moment you're working on something without it being in the public it's actually dying, deprived of the oxygen of the real world.
Matt MullenwegThe biggest challenge for open source is that as it enters the consumer market, as projects like WordPress and Firefox have done, you have to create a user experience that is on par or better than the proprietary alternatives.
Matt Mullenweg