At a time where it is emerging as an ever more powerful voice, where is girls' culture headed online, and how powerful a platform for activism and community is it? Dr. Jessalynn Keller is an Assistant Professor in the Department of Communication, Media, & Film at the University of Calgary and an expert in girls’ media cultures, contemporary digital feminisms, and mediated celebrity culture.

When you think about artificial intelligence, do you see an apocalyptic future of a machine-dominated world, or one where human capabilities are augmented in new and potentially wonderful ways? Briana Brownell is a data scientist turned tech entrepreneur, futurist and expert in artificial intelligence. She is exploring Uncanny Learning: impacts of building technology that surprises us with creativity, insight and intelligence.

The second of our main events for 2014, "Truth(s)" explored the depths of what truths we hold to be important. From new dinosaur discoveries, to making the health system work, and understanding the depth of pain being suffered by our Aboriginal communities through the loss of missing and murdered Aboriginal women, our speakers and participants spoke from the heart.

Watch the talks on our YouTube channel

It's where we started in 2010, with "Humanity 3.0: Leadership the World Needs Now" as our first event. We explored the linked themes of conflict, poverty, youth and elders at our very first TEDxCalgary event, and featured speakers like Naheed Nenshi, Nick Nissley, and many other courageous speakers who believed in what we were doing, and lent us their talents on stage.

Watch the talks on our YouTube channel