If we're not wired, plugged in and communicating with the world at all times, it seems like such a waste of time. (relevantmagazine.com)
It's so easy to think about which subjects seemed like such a waste of time in school — those topics that we never use during our daily adult lives. (creditdonkey.com)
So far so good, that PhD was not such a waste of time after all. (nextscientist.com)