Google itself tried to validate the idea but ended up shutting it down in 2015. Google Helpouts used Google Hangouts to connect people with experts. If someone

Google itself tried to validate the idea but ended up shutting it down in 2015. Google Helpouts used Google Hangouts to connect people with experts. If someone could make it a two-way street, and use credits instead of cash, it could become a time bank, which is what I'd really like to see proliferate.