Really? What's the sum total value of all lobby sign-in books in the entire world? (And who even takes them that seriously?) I'm all for creative destruction

Really? What's the sum total value of all lobby sign-in books in the entire world? (And who even takes them that seriously?) I'm all for creative destruction, but what next, a webapp to replace writing contents descriptions on boxes while moving? SaaS to replace little "sign here" stickers on the boss's documents? A social network to replace writing graffiti on bathroom stalls? Parts of the article make the company sound like they're reading 1984 as a guidebook. #cantbelieveitsnottheonion