We've rebuilt TED.com with all the things you asked for...
A big, beautiful video player. Mobile-friendly pages. A "Watch later" feature.
And new ways to dig deeper into talks you love.
Questions? Comments? We're listening.
Harvard psychologist Dan Gilbert says our beliefs about what will make us happy are often wrong — a premise he supports with intriguing research, and explains in his accessible and unexpectedly funny book, Stumbling on Happiness.