Saudi Arabia had previously announced it was to prevent the use of the Blackberry-to-Blackberry instant messaging service.
Those tweets triggered pre-set keywords on Van Poppel's Twitter pages, which alerted him via instant messaging service GoogleTalk.
Trostel also uses an instant messaging service to communicate with co-workers and family.
Founded in 2005, Meebo started out as a browser-based instant messaging service and expanded into a social toolbar product for publishers.
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That's thanks to products such as its QQ instant messaging service with over 700 million users, which gives it huge marketing clout.
Its instant messaging service, Tencent QQ, has more than 600 million users.
You can't completely pigeonhole Skype when it serves both as a partial substitute for traditional phone service and an instant messaging service with voice and video on top.
Google Talk (which I prefer to call g-chat) is the instant messaging service that accompanies Gmail and is singlehandedly responsible for decreasing workplace productivity by 5 to 50 percent.
London-based Skype Technologies distributes an application that works like an instant messaging service, but instead of trading text, users plug in a microphone and speakers and have a voice conversation.
According to Tencent, whose services include instant messaging service QQ, microblogging site Tencent Weibo - which is similar to Twitter - and online games, WeChat has close to 300 million users.
Meanwhile in South Korea, the Seoul High Court has joined the Korean Fair Trade Commission in rejecting Microsoft's request to suspend a regulatory ruling to unbundle its Windows Media Player and Instant Messaging service from Windows.
He notes that WeChat is surpassing QQ, its wildly popular instant messaging service in China, in its adoption rate internationally partly because the name of the service was changed from Weixin or micro message to the easily pronounceable WeChat.
CD-quality sound on the company's instant-messaging service could provoke even steamier gossip around the coffee pot.
However, the popular instant-messaging service Blackberry Messenger - known colloquially as BBM - is absent from the upgrade.
Facebook on Wednesday also introduced a change to its instant-messaging service, which now allows people to create on-the-fly group conversations.
According to ComScore Media Metrix, in July, AOL's instant-messaging service had over 41 million users in the U.S. alone, Yahoo!
Acquired by AOL two years ago, ICQ now has 70 million users, making it the largest instant-messaging service in the world.
He is quick to add, however, that other Microsoft services using Passport could do so, including MSN, Hotmail and the instant-messaging service.
But increasingly unreliable connections to Google in recent months have hindered downloads and sharply reduced the effectiveness of instant-messaging service Google Chat, he said.
Microsoft says it will use the company's software, people and intellectual property to accelerate the delivery of its unified communications vision, a vision bringing together various technologies including e-mail, instant messaging, short message service, telephony, and Web conferencing.
Scott Cleland, what do you make of Google's expansion into this Web-based phone service and instant messaging?
Fast Data collects data about what customers on the phone are currently doing, or how they have recently interacted with the company in other various channels, including in-branch, or on the web via self-service features, instant messaging and email.
According to Research in Motion , the e-mail service has returned to BlackBerrys but delays to its BBM instant messaging and browsing services will continue until further notice.
CallWave is now focused on a new service, called Fuze, which brings all forms of communication (instant messaging, alerts, voice and video) together on any portable device.
From our point of view, Internet security is a fundamental service that every user must have, just like searching, e-mailing, instant-messaging, etc.
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In December, aiming to lure more consumers to its MSN Mobile service--a portal that connects cellphone users to MSN Search, news, Hotmail and instant messaging--Microsoft struck partnerships with MovieTickets.com and Thumbplay The deals enabled MSN Mobile users to access movie listings and reviews, and purchase movie tickets, ringtones and games straight from their cellphones.
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