Most commercial technology (computers and others) has been developed to speed up tasks. I cannot actually think of an example that isn't true of that (I'm sure someone else willADE said:Well, what I meant by what was the best thing before optical mice was that where would we be now if it wasn't invented. Games on computers certainly wouldn't be as easy. And other stuff I can't think of would be harder too. Its was really supposed to be a discussion about the advances in past computer devices.
Except for the tasks that you are supposed to be doing, but aren't doing because you are on the computer.Most commercial technology (computers and others) has been developed to speed up tasks.