I swear by this calendar strategy for my productivity [Video]

Alex Vetter runs a company that lives largely on the internet, but he manages his monthly schedule offline — with a printed calendar.

The Cars.com CEO carries around his physical agenda “all the time” and manually updates it as his commitments change, he says  “It’s my blueprint for where I have to be and where I’m investing my time,” says Vetter, 54, who’s led the automotive e-commerce website — currently worth $1.25 billion — since 2014.

Vetter doesn’t print out his daily calendar, which he keeps digitally and checks on his phone. But he prefers a hard copy of his monthly itinerary because it helps him get a long-term view of his engagements, he says: “I can look ahead and see the bigger picture of where my time is being invested over the month or quarter.”

Every Monday, Vetter and his assistant hold a meeting to review his schedule over the coming weeks, from meetings to travel …