An ISP is an 'Internet Service Provider'. An ISP is a private company or non-profit group that provides Internet connectivity to you and me. While no single organization owns the Internet and the Web, ISP's do provide the paid service of connecting people to the Internet's massive network. Some ISP's also offer wireless connections, and are accordingly named WISP's. ISP's and WISP's also offer additional services, like email and voice-over-IP telephoning. Read more about ISP's and WISP's here...

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"Microblogging" has caught fire in ways that no one could have foreseen. It has become a way for business employees to send real-time updates to each other. It is a way for hobbyists to follow their favorite celebrities. Amateur journalists can report from war-torn countries by using their cell phones. Families can text-update each other on an ill member in the hospital. About.com explains Twitter here...
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One of the dark sides of the World Wide Web is cyberbullying: when a cruel youngster follows someone online, and repeatedly posts hurtful and disparaging remarks to publicly or privately cause that person grief. The psychological pain of cyberbullying is every bit as real as regular bullying. About.com suggests three steps to combat cyberbullies... (photo by Getty Images)

Antivirus and antispyware software is a must-have. No self-respecting user should be surfing the Internet or checking email without having a trusted defender against computer viruses. But which antivirus software should a person choose? There are so many choices, both free and paid. Well, friends, there are a few choices that stand out. And of the free antivirus products out there, About.com writers are really fond of one in particular...