1.  And earlier this week, another instant messaging company, Tribal Voice, posted a message on its site announcing it was discontinuing its popular PowWow instant messaging service.

2.  As wireless phones and the Internet grow in popularity, carriers, software companies and content providers are rushing to move popular Internet services to mobile devices.

3.  -- Another likely winner is i-mode, the enormously popular service in Japan offering wireless Web browsing and e-mail from mobile phones.

4.  After touch-tone dialing, an unlisted number is the most popular service phone companies offer.

5.  Agents Inc. has struck a deal to help Yahoo Inc. beef up its popular Internet search service.

6.  Carrying a handmade battery box he inherited from his father, he offers a service popular among locals and tourists alike.

7.  Computer users, especially those on popular services like America Online, complain that junk e-mail has overtaken their systems.

8.  He filed a class-action lawsuit last month against the popular online service for overbilling.

9.  ICQ became a hugely valuable company, because its popular service spread entirely by word of mouth, without ICQ ever spending a dime on advertising.

10.  Internet auctioneer eBay Inc. yesterday tightened security and stiffened penalties on its popular online service to eradicate the pockets of fraud that have been reported in recent weeks.