Last Friday was HubSpot’s 10th birthday, which means it was also the roughly 10th birthday for the concept of Inbound Marketing. It’s hard to believe that the term is only 10 years old. It got me thinking, what else didn’t exist 10 years ago? Here’s the initial list I came up with: The iPhone hadn’t been invented. Facebook still limited access to college students (and it was still called The Facebook). People were still talking about “Web 2.0.” You had to read books by reading the actual book;...