The prospect of a “hydrogen economy”—in which vehicles powered by fuel cells would travel the nation’s roadways emitting nothing from their tailpipes but wisps of water vapor—was making headlines 12 years ago.

Time is your most precious resource. If you’re not mindful about how you invest it in your team members, you won’t be happy with the “returns” you get. Being more effective requires you to look at your time in a new light.

Would you market your business today the same way you were marketing it 30 years ago? Would you use the same technology? Would you lead your team the same way? I’m guessing most leaders would answer each question with a resounding “No.”