Court of Appeals for the Seventh Circuit November 20, 1992, 91-1932, 91-2183 (Computer Care, Plaintiff-Appellee/cross-Appellant v. Service Systems Enterprises, Inc. And Larry Aronson, Defendants-Appellants/cross-Appellees)

CUDAHY, Circuit Judge.

Computer Care and Service Systems Enterprises, Inc. are both engaged in the auto service “reminder letter” business. These businesses use a computer program to generate letters on behalf of auto dealerships and repair shops reminding car owners when their cars are in need of some service, such as an oil change or a tune up.