Knol

Richard Waters

Helpouts is just the kind of big, ambitious project Google should be working on. A marketplace for people to sell – or just donate – their knowledge and expertise through live video sessions, it’s an all-embracing platform covering everything from the simplest how-to advice to full, personalised masterclasses.

So why does it feel like a re-run of Knol, the crowd-sourced Google knowledge base that was closed in 2012 after a four-year run? Read more