Michigan Compiled Laws, Chapter 445. Trade and Commerce § 445.1711

(a) “Customer” means an individual who purchases, rents, or borrows a book, other written material, a sound recording, or a video recording.

(b) “Employee” means an individual who works for an employer in exchange for wages or other remuneration.

(c) “Employer” means a person that has 1 or more employees.

(d) “Ordinary course of business” means activities related to the sale, rental, or lending of, or advertising in, materials described in section 2.  1

(e) “Written” includes any electronic means using the Internet or otherwise authorized under the uniform electronic transactions act, 2000 PA 305, MCL 450.831 to 450.849.