"you either really need a great product (that can't easily be cloned) or very strong network effects." Or a business model where advertising won't easily suppo

"you either really need a great product (that can't easily be cloned) or very strong network effects." Or a business model where advertising won't easily support the resources needed to provide the service. Theoretically storage is one such service, but I guess with dipping storage costs, the tipping point where its cost effective with advertising alone might have reached now.