翻译more and more people are called upon to change their attention among many things ...

呼唤 ,希望
more and more people are called upon to change their attention among many things in their work, which usually involves sitting in front of a computer and playing with it。
越来越多的人被呼唤将他们的注意力工作中移开，这样的工作包括坐在电脑前和玩电脑。
The person with a limited time of attention is also someone who can live in a world where business is done on-line.
有有限的注意力的人们也是生活在生意在网上就能做的人。

唤醒，呼唤

这句话的大意是现在人们主要是在跟电脑或生产线打交道，因此要唤醒人们改变注意力，从注意机器或电脑，变为更多的关注人本身。