The potential of online trading exchanges has not only set the B2B world abuzz, it has attracted the attention of federal regulators as well. Since both buying- and selling-based trading exchanges will provide competitors the opportunity to collaborate, they have the potential to impair competition. Covisint, the new automotive industry exchange, for example, is being investigated by the FTC, confirms Howard Shapiro, senior public affairs representative at the agency, although he is mum on the nature of the inquiry. The basic issues of FTC antitrust scrutiny involve sharing of information, ramifications of joint buying or selling, and membership and participation as they affect options of doing business. These issues and others were discussed at an FTC-hosted workshop in Washington at the end of June. Some specific questions being asked include: