Occam's razor: the most profitable business model for Internet companies with very DAUs and Timespent/DAUs in the last 20 years was showing advertisements. Thos

Occam's razor: the most profitable business model for Internet companies with very DAUs and Timespent/DAUs in the last 20 years was showing advertisements. Those very profitable companies are always working on cutting edge stuff, whether it's distributed systems, database research, datacenters, mobile hardware and software, or, as it is today, the various tools and methods grouped under the umbrella term AI.