It might sound crazy to use a device worth hundreds of dollars as a mouse, but when you are in a pinch, the best tool is the one you have immediately available.
It should come as little surprise the iPhone can double as a mouse or trackpad for a Mac, too. From browsing the Web to charting stars in the sky, the iPhone is full of possibilities. The list of things you can do with an iPhone is nearly endless. For hundreds of millions of users, the iPhone is a do-everything, be-everything device that is often their only computer.
