TED stands for Technology, Entertainment, Design. TED is a platform for ideas worth spreading. Started in 1984 as a conference where technology, entertainment and design converged(聚集), TED today shares ideas from a broad spectrum(范围) — from science to business to global issues — in more than 100 languages.

The TED Conference, held annually in Long Beach, is the heart of TED The TED Conference, held annually in Long Beach, is the heart of TED. More than a thousand people now attend and the content has expanded to include science, business, the arts and the global issues facing our world.

The annual conference now brings together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes). Their mission: Spreading ideas.

What's new on TED?

TED Speakers Thinkers. Doers. Idea-generators. These are the speakers who have delivered a talk featured on TED.com. Whether the talk was given at an official TED conference, at one of thousands of local, independently organized TEDx events, or on another stage altogether, these are the people who brought it to life.

They believe passionately in the power of ideas to change attitudes, lives and ultimately, the world. So they're building here a clearinghouse that offers free knowledge and inspiration from the world's most inspired thinkers, and also a community of curious souls to engage with ideas and each other.