Because if you do the math, you have a thousand TEDTalks, the pay 10 cents each; you have to do more than one summary for each of those talks, because some of them will probably be, or are, really bad.
1,000個のTEDトークに それぞれ10セントの支払いですが １回の要約で済むとは限りません ひどい失敗作ができる可能性があるからです