This bit of futurism from 2008 can be seen in much of the software I use.

We are going to soon carry out sports activities with our friends even when they are not in the same physical place as we are. More generally, computers will be increasingly used to persuade us to physically exercise and to make exercise more fun. At CHI 2008, Florian ‘Floyd’ Mueller and Stefan Agamanolis have organized the workshop on Exertion Interfaces which is taking place today, and I asked them four quick questions before the workshop start. Luca Chittaro: EXERTION INTERFACES. An interview with Florian ‘Floyd’ Mueller and Stefan Agamanolis