It may not be as cool as Elon Musk building a rocket ship to Mars, but every day 100 million kids ages 12 to 18 are using Brainly to ask and answer homework questions. That simple service, at that massive scale, has convinced a new investor to commit another $14 million to the company as it seeks to expand its presence further in the U.S. Brainly already has 10% of the market of kids in that… Read More...