At today’s Worldwide Developers Conference, Apple showed off its new version of macOS, and with it a feature called Universal Control, which lets you use your Mac’s mouse or trackpad to control the cursor on an iPad or another Mac’s screen, reaching into and across multiple devices. On paper it doesn’t sound that groundbreaking, but Craig Federighi did something really cool during the demo: he moved his cursor onto an iPad, then clicked on a photo and dragged it across two other computers to drop it into a Final Cut timeline.
While Logitech’s Flow and programs like Synergy have similarly allowed users to easily jump between computers,…