January 22, 2016 — ARIA is way to communicate the semantics of rich internet applications to users of assistive technology. But it’s not just useful for accessibility; ARIA is a whole meta language of semantic attributes within HTML that allows us to clearly communicate the roles, states, and properties HTML elements have in a complex web site ecosystem.
I’ll talk about roles, states, and properties: what they are, how you use them, and how they can help us by creating more internally consistent HTML that’s also better for people with disabilities.

Presentation Slides »

March 31, 2015 — Einführung in den Backend-Bereich für Redakteure, die mit WordPress arbeiten sollen. Übersicht über Beiträge/Seiten, Text- und visueller Editor, Upload von Medien sowie Werkzeuge wie z.B. “press this”

September 8, 2013 — This presentation combines captivating case studies that will broaden your sense of what’s possible with a look at off-the-shelf plug-ins and tools like Edit Flow that you can put to work immediately to improve your publishing workflows. From managing unique layouts like a grid or interactive map, to curating reader-submitted or ingested content, to staging big changes.

August 10, 2013 — Learn how capabilities are “mapped” to other capabilities, and what the difference between primitive and meta capabilities means for your plugins and custom post types. Explore the true hidden powers of the API, like using capability mapping to selectively grant and revoke privileges on the fly, making complex user management more maintainable.

July 7, 2013 — This presentation discusses the true power behind WordPress’ roles and capabilities system, map_meta_cap. Starting with an overview of how it relates to the system as a whole, then some real-world examples to demonstrate how the map_meta_cap function and filter can be properly used to fully leverage WordPress’ capabilities system.

Presentation Slides »

July 2, 2013 — WordPress’ roles seem simple enough on the surface, but behind the Administrator, Editor, and the other default roles is a powerful system that can be customized extensively. While some have said that other CMS’ have an advantage when it comes to security and customizing capabilities, this presentation demonstrates that that isn’t true.

Presentation Slides »

September 19, 2009 — Matt Mullenweg of Automattic answers questions from the WordPress community, including making money from open source products, migrating from WordPress.com to WordPress.org, the history of WordPress, the roles system in WordPress, core vs. plugins, blog comments, WordPress security, and more.

Video production by Joe Christensen of Blaze Streaming Media.