Fragmentation is a fact of life. As new gear arrives, older gear will stop receiving support. As developers move on to newer operating systems users can become frustrated when some devices get updates and others don’t.
Apple weathers this storm better than most of their competition, but even they aren’t completely immune. They are taking a savvy step towards improving the experience for people using older iOS devices. The iTunes store now allows you to install older versions of apps. That way, if developers are supporting newer version of iOS than what’s on your phone or tablet, you’ll be able to backtrack to versions which do support your iDevice.
This kind of legacy support really improves the experience for people who hold on to their tech for as long as possible. If you’ve got an older phone, tablet, or iPod Touch give it a whirl.