11.   But like all things digital, cameras are likely to get cheaper and better, with useful new features.

12.   But the fact remains that the iMac lacks useful features available on the cheapest PC.

13.   But the most useful features of this page are the chat rooms and bulletin boards.

14.   For serious business questions, DecideRight has many useful features to help assess different choices and examine the decision-making process.

15.   If its lack of sophistication does not bother you, the program does offer some useful features.

16.   Instead, a species appears to construct useful new features by adapting existing molecules to new uses.

17.   It also permits multiple users on the same machine, a useful feature in workplaces where people on different shifts share the same PC.

18.   It also provides the useful feature of creating and indexing high qualilty audio files.

19.   It is packed full of useful features.

20.   It is a useful feature for, say, a business traveler on a tight schedule.