Almost all phone users play both roles at different times.

Even so, many phone users continue to talk loudly - and anywhere.

There are about 18 million mobile phone users in Afghanistan.

Cellular phone users, in particular, are changing the old patterns.

Or talk to wireless phone users who use the different services available in your area.

It's based on figures from 42 major countries which he says cover 72% of the world's mobile phone users.

The game has already been download by more than 60 million mobile phone users.

The latest study looked at more than 350,000 mobile phone users over an 18-year period.

Do they perhaps think that phone users and tax payers are different people?

When phone users are farther away, costs increase dramatically, the company said.