Affiliate Marketing Secrets

In a family where every, or most, members have their own mobile device, laptop, smartphone, tablet etc (whatever the case may be) and each of these devices has all the essential functionality of the traditional home pc that family members used to fight over getting their turn on.
If no one is a niche user, in other words is specific in needing for example ony the best games that a pc can provide, or perhaps the processing power etc then what use is left for this era defining beast, is there still a purpose for it in our modern lives?