Craig Campbell walked away from the river of investor money flowing into AI to create, of all things, a website. Sure, Campbell probably could have started an AI company. He’s a former engineer at Meta and an experienced tech founder who in 2022 sold his last venture — an e-commerce tool for businesses that use Shopify — right as the AI boom was booming. “I had my prior VC investors breathing down my neck, going ‘start something else. We’ll write you a blank check.’” He had other ideas. People generally aren’t rushing to get into the website business, what with the Google Zero event horizon approaching. Campbell was undeterred and has grown his service — Past Maps — into a sustainable business. And he’s managed it in an increasingly unlikely way: via organic search. Past Maps is true to its name. The site lets you view historical maps of a particular region with a modern-day map overlaid. You can adjust the opacity to fade between the two views.…