So why should anyone use this, and what it is this exactly? It looks like some SharePoint light from what I could gather from the marketing fluff, but I'm havin

So why should anyone use this, and what it is this exactly? It looks like some SharePoint light from what I could gather from the marketing fluff, but I'm having a bit hard time getting any actual information about the product, beside the fact that the most expensive plan costs $22/user/month, and comes with 500GB storage (which doesn't sound like an awful lot at the first sight)