Ignite is a global event, organized by volunteers, where participants are given five minutes to speak about their ideas and personal or professional passions, accompanied by 20 slides. Each slide is displayed for 15 seconds, and slides are automatically advanced. (…) The presentations are meant to "ignite" the audience on a subject, i.e. to generate awareness and to stimulate thought and action on the subjects presented.
http://en.wikipedia.org/wiki/Ignite_(event)
A Lightning talk is a short presentation given at a conference or similar forum. Unlike other presentations, lightning talks last only a few minutes and several will usually be delivered in a single period by different speakers.
http://en.wikipedia.org/wiki/Lightning_Talk
PechaKucha or Pecha Kucha (Japanese: ペチャクチャ, IPA: [petɕa ku͍̥tɕa],[1] chit-chat) is a presentation methodology in which 20 slides are shown for 20 seconds each (six minutes and 40 seconds in total). The format, which keeps presentations concise and fast-paced, powers multiple-speaker events called PechaKucha Nights (PKNs).[2][3]
PechaKucha Night was devised in February 2003[4][5] by Astrid Klein and Mark Dytham of Tokyo's Klein-Dytham Architecture (KDa), as a way to attract people to SuperDeluxe, their experimental event space in Roppongi, and to allow young designers to meet, show their work, and exchange ideas.
http://en.wikipedia.org/wiki/PechaKucha
