In some instances, an area may experience more than 250 mm of precipitation annually, but is considered a desert climate because the region loses more water via evapotranspiration than falls as precipitation (Tucson, Arizona and Alice Springs, Northern Territory are examples of this).
In contrast, 1  TED-style talks are personal. The only reason to give a TED talk is that you feel passionately about something, and your sense of purpose creates an energy boost for both you and your audience. 2  TED talks often take us on a journey.
In the fall of 2012, TED Talks celebrated its one billionth video view. As TED Talks continue to be watched around the world, with an average of 17 new page views a second, TED conferences and events continue to inspire, motivate and thrill attendees. In 2014, the annual TED Conference celebrated its 30th anniversary in Vancouver, Canada.