He wrote the bible on the modern internet. He's horrified at what he sees in 2026.

Steve Krug, 77, author of "Don't Make Me Think." Cassandra Klos for BI "I think social media is the worst thing that's happened in the last forty years," Steve Krug tells me. A quarter century ago, Krug wrote "Don't Make Me Think," one of the founding books of internet usability. It's the reason sites have big bolded text and read vertically, not zagging around the screen. It's why links look like links and buttons look like buttons. He gave instructions like "instructions must die." In other…