The potential user base is estimated at about 50 million.

The advantage they have, of course, is such a massive user base.

This was decided due to the large Brazilian user base and growth of legal issues.

As the user base grew, so did the effort of maintenance and development.

As of early September 2006, version 1.1 has not been well received by the user base.

Its user base has expanded to 22,000 customers in 100 countries.

The website now has a user base of over 1,800,000.

By 1997, the company had systems in 23 cities around the world, but its user base was shrinking.

In this time, it also had a 50% international user base.

By November 2009, the user base had reached 11.5 million people.