If you're not close to a Wi-Fi hot spot and you need to connect your computer to the office network, you can use an air card to access the Internet. An air card gives you Internet access wherever you ...

Borrowing a page from phone companies, America Online has begun selling prepaid Internet access cards at certain retail stores. Earlier this month, Target retail stores started selling AOL "starter ...

Internet cards and mobile hotspots allow you to take the Internet with you wherever you go. This can be helpful if you travel a lot or visit areas where wired Internet access is not available.