5 Useful Smartphone Features That We May Never See Again

People complain about the lack of innovation in smartphones today, with manufacturers tending to rely on bumped specs to sell their product instead of truly useful features. The fact is that over the years there have been a lot of interesting experiments in smartphones, but many of these - even the useful ones - don't always catch on. Sometimes the features we loved have disappeared because they were useful only to some, not many, users. At other times, design or cost constraints forced these features out. Here are some of our favourite features that have either disappeared, or are on their way out.