Ben Thompson has some awesome writing on tech titans, and their role in the economy. Here's some definitions: https://stratechery.com/2017/defining-aggregators/

Ben Thompson has some awesome writing on tech titans, and their role in the economy. Here's some definitions: https://stratechery.com/2017/defining-aggregators/ https://stratechery.com/2017/defining-aggregators/ and here's an some writing on why they are not necessarily bad monopolies: https://stratechery.com/2015/aggregation-theory/ https://stratechery.com/2015/aggregation-theory/.