1. The rest of the data is useless to it but it keeps it anyway.

2. Just as a computer would be useless without an operating system, so would a phone.

3. The result is a transfer of data that is useless to anyone except the parties involved.

4. As it is now, Gear is essentially useless without a smartphone or tablet.

5. Despite warnings that the devices were useless, the Iraqi security forces continued to use them.

6. Not for finding all of my useless junk, but for replacing every single one of them.

7. All of which proved useless against the smell.

8. Everyone knows that the signature is a useless authentication device, Duncan says.

9. Of course, devices are useless without power, so I always take a power adapter.

10. Such claims may later be found flawed and useless, he said.

11. Even as a collection, the statements were useless, he ruled.

12. Of course, even the coolest peripheral is useless if nothing works with it.