1.   This is not an easy task when one considers both the diversity of the user base and of the datasets.

2.   An outraged AOL claimed that Microsoft was gaining unauthorized access to its subscriber lists and blocked MSN Messenger customers from communicating with its user base.

3.   AOL argued that Microsoft was gaining unauthorized access to its subscriber lists and consequently blocked MSN Messenger customers from communicating with its user base.

4.   AOL, which dominated the first generation of instant messaging, has consistently refused to allow other instant messaging clients to access its user base.

5.   Further slowing the expansion of the Internet user base in Latin America has been the regional economic crisis.

6.   Meanwhile, Palm is stepping in to give wireless connectivity to the majority of its user base.

7.   Previously, Aspen software was only available on the antiquated DOS platform, so a migration to Windows is seen as way to attract a larger user base.

8.   They say Yahoo should do more to protect the privacy of its user base, or at least admit how fragile online-anonymity has become.

9.   With a next-to-nothing market share and software developers eschewing the dwindling Mac user base, how did Apple Computer react?

10.   And if the PGP user base is to expand, he said, tools must be easier to use.