请你阅读接下来的文章，并帮助我回答几个问题

请你阅读接下来的文章，并帮助我回答几个问题

TED is a media organization which posts talks online for free
distribution under the slogan " Ideas worth spreading ." TED was founded in February 1984 as a conference , which has been held annually since
1990. TED ' s early emphasis was technology and design , but it has since broadened its focus to include talks on many scientific , cultural , and academic topics .
You might think their success has to do with the quality of the speakers , and that ' s partially true , but the main reason extends much deeper . TED makes their events interesting because the organizers are
interesting . They select interesting themes , and interesting speakers . Another main factor involves careful selection of the audience . One
organizer of TED says ," We want the right types of people in the room to be able to listen to and engage with our contents , and will actively
promote those kinds of
conversations on a regular basis ."

TED is a media organization which posts talks online for free
distribution under the slogan " Ideas worth spreading ." TED was founded in February 1984 as a conference , which has been held annually since
1990. TED ' s early emphasis was technology and design , but it has since broadened its focus to include talks on many scientific , cultural , and academic topics .
You might think their success has to do with the quality of the speakers , and that ' s partially true , but the main reason extends much deeper . TED makes their events interesting because the organizers are
interesting . They select interesting themes , and interesting speakers . Another main factor involves careful selection of the audience . One
organizer of TED says ," We want the right types of people in the room to be able to listen to and engage with our contents , and will actively
promote those kinds of
conversations on a regular basis ."