A decade ago, Sal Khan envisioned using technology to tailor education to individual and community needs.
Instagram Co-Founder Kevin Systrom believes building solutions for most problems is the easy part; the hard part is finding the right problem to solve. Here he opens up about how he and fellow Co-Founder Mike Krieger identified the problems they wanted to solve around sharing photos through mobile devices. He also reminds entrepreneurs to embrace simple solutions, as they can often delight users and customers.