The dirty secret of the internet is that all this distraction and interruption is immensely profitable. Web companies like to boast about[…] and so on. But the real way to build a successful online business is to be better than your rivals at undermining people's control of their own attention. Partly, this is a result of how online advertising has traditionally worked: advertisers pay for clicks, and a click is a click, however it's obtained.
they partly finished the house so they could move in before winter; the car was partly visible in the garage