Who needs a laptop when you have a folding phone?

Name a more iconic duo. The first rule of Purse Computer is to check your bag before you leave the house. A few days ago, I took a 15 minute walk to a nearby coffee shop thinking I had my new folding keyboard in my bag - the key ingredient that would turn the Galaxy Z Fold 7 into a mobile workstation. I spent the whole trip congratulating myself on how light it felt compared to carrying my MacBook. "It's almost like it's not there," I thought. This was because it wasn't there, which I discovered only once I was at my destination. I tapped out a few emails with my thumbs, drank a latte, and...