If you can, I would like you to make a donation to this IndieGoGo campaign to help Vincenzo Rubano DrupalCon Portland. What's this all about? Read on.
Lately, some people on the web have been making arguments like "It doesn't matter if a CMS is open source or proprietary. It's about features and service. I promise my (proprietary, license-fee charging) CMS will do what you need. Nobody cares about the rest." I call BS.
Read the full post at the Acquia Developer Center: https://dev.acquia.com/podcast/78-accessibility-there-usability-meet-vincenzo-rubano