11.   Home-page hosting sites such as GeoCities allow activists to set up Web-based information pages on the Internet.

12.   His site allows sellers to set the price of an item, which is listed in so-called trade dollars.

13.   In addition to airfare, the following sites allow the traveler to book a car rental and a hotel as well.

14.   In the coming months, he said, the site will allow users to choose restaurants by price.

15.   In general, photo-sharing sites allow you to create a password that you can send to friends or family so only they can see your online photos.

16.   Like many online exhibitions, the site allows visitors to pursue their own paths, exploring the works by artist, by theme or by medium.

17.   One site allows a user to set up a blind date between two people by sending e-mails inviting them to meet at a certain time and place.

18.   Other sites allow you to buy, trade and relate.

19.   Seafood Choices Alliance Web site allows comparison of several seafood guides, log on to www.seafoodchoices.com.

20.   Some sites also allow you to customize their home pages to your needs, if you are willing to part with a fair amount of personal information.