reCAPTCHA and Duolingo: Luis von Ahn

Today we have another live episode from the How I Built This Summit, featuring Katrina Lake of Stitch Fix. Katrina sat down with Guy Raz in front of a live audience in San Francisco in October to disc...

13 Des 201815min

In 1977, 23-year-old Jake Carpenter set out to design a better version of the Snurfer, a stand-up sled he loved to ride as a teenager. Working by himself in a barn in Londonderry, Vermont, he sanded a...

10 Des 201846min

Next in our series of episodes from the How I Built This Summit: Joe Gebbia, co-founder of Airbnb. Joe sat down with Guy Raz in front of a live audience in San Francisco, and talked about why he and h...

6 Des 201816min

In the late 1970s Janice Bryant Howroyd moved to Los Angeles and began temping as a secretary. She soon realized there were many other young people in situations similar to hers. So with $1,500 in her...

3 Des 201851min

Next up in our series of episodes from the How I Built This Summit: John Zimmer, co-founder of Lyft. John sat down with Guy Raz in front of a live audience in San Francisco last month to talk about Ly...

29 Nov 201818min

In 2010, while working as a fashion assistant at Vogue, Emily Weiss started a beauty blog called Into The Gloss. She quickly attracted a following of devoted readers hooked on the blog's intimate snap...

26 Nov 201851min

This episode from the How I Built This Summit features Adam Lowry and Eric Ryan, co-founders of Method cleaning products. Adam and Eric joined Guy Raz live on stage at the Summit in San Francisco, to ...

22 Nov 201816min

In 1978, college drop-out John Mackey scraped together $45,000 to open his first health food store, "Safer Way." A few years later he co-founded Whole Foods Market — and launched an organic food revol...

19 Nov 201845min