Here is how most people think technology works: You have a problem you need to solve or a task you need to accomplish, and then you use technology to do it. Technology, in other words, is a tool. In the era of social media and the smartphone, people had needs — to connect with others, to find out information, to entertain themselves — and tech provided a solution. The trouble, we now know, is that in providing solutions to some problems, technology created a whole host of oth