Is the Internet a safe and healthy place for little kids? A lot of parents worry that it is not. Many of us feel the same way as Tonya Engst when she recently mentioned in an article in TidBITS the "mixed feelings" she has about kids (and adults) and "the immersive qualities of Web sites, computer games, and television" (see "Parenting with a Net" in TidBITS-556) Her concerns arose out of a report by the American Academy of Pediatrics recommending that children under the age of two not be exposed to television