And the same will apply to the way you tier your professional contacts and business colleagues.
Literally hundreds of thousands of smart phone apps will also rationalize down, so you can choose the best-of-breed for any need. But the other area of biggest development will be around shopping and finance. Voice activation redistribution de will instantly prompt your smart device to project a hologram of any item that you are considering buying. Then the alternative vendors will be listed and cross-compared on your device, with details of delivery schedule and the vendor's history and rating for honoring their order fulfillment time scales.
Branded retailers will still be around, but those who survive will have to compete head-on with a new class of product aggregators. These aggregators will offer huge scale and timed delivery from vast logistics and sourcing capabilities. Consider the evolution of Amazon in the last 15 years, to recognize how new retailing models will emerge with even more consumer satisfaction and security guarantees, over the next 15-20 years.