Establishing facilities on the web sites of others which enable users of the web sites to create on-line communities permitting the exchange of communications

COMPUTER SOFTWARE THAT ENABLES PROVIDERS OF CONTENT ON A GLOBAL COMPUTER NETWORK TO ESTABLISH ON-LINE COMMUNITIES PERMITTING THE EXCHANGE OF COMMUNICATIONS AMONG USERS OF THEIR WEBSITES; COMPUTER SOFTWARE THAT PERMITS USERS OF WEBSITES ON A GLOBAL COMPUTER NETWORK TO EXCHANGE COMMUNICATIONS