The iPad is different things to different people. For some, it’s mostly a reading machine--books, magazines, blogs, and news sites. Others are using it as a partial laptop replacement, adding in a Bluetooth keyboard and using it for work-related tasks. If your iPad spends most of its time in your lap, a dedicated stand might not seem important, but if you’re putting in a lot of keyboard time, a stand is a worthy investment. Let’s look at three of the best options.