The Cutting Edge: COMPUTING / TECHNOLOGY / INNOVATION

America Online

* Friday, 1 p.m.: Singer Martha Reeves, who once sang backup for Marvin Gaye, answers questions on-line. Keyword: Centerstage

* Monday, 7 p.m.: Science-fiction writer Kathleen Goonan in an on-line conference. Keyword: Centerstage

* Aug. 15, 7 p.m.: Dawn Steele, whose Hollywood roles ranged from studio chief to author, makes a rare on-line appearance. Keyword: Centerstage

CompuServe

* Thursday, 5:30 p.m.: Exercise expert Michael Colgan discusses holistic health in the ‘90s. GO HOLISTIC

* Sunday, 10:30 a.m.: Anton Fig, drummer for the David Letterman show, discusses his new video project. Go CONVENTION

* Aug. 16, 7 p.m.: Get practical advice on nutrition and reducing fat in your diet from Doris Derelian, president of the American Dietetic Assn. Go CONVENTION

Prodigy/TimesLink

* Friday, 7:30 p.m.: Comedian Glenn Rabney, who helped write “Not Necessarily the Year in Review,� in a TimesLink on-line chat. Jump: CHAT

* Monday, 7:30 p.m.: Authors Paul and Sarah Edwards discuss setting up offices and running small businesses from home in a TimesLink on-line chat. Jump: CHAT

Internet

* One of the most comprehensive collections of data found on the Internet is the Virtual Reference Desk. It contains links to current news, weather, sports, stocks, search engines, fun stuff, top 25 sites and much more. https://www.intercom.net/user/rbdrudge

* If your browser supports tables, you can play WebJotto, a challenging word-guessing game. Afterward, you can explore links to other Internet game sites. https://mendel.berkeley.edu/~jchuang/Schekman/cgi-bin/WebJotto/newgame.cgi

Sources: Company, Times and wire reports