NEW YORK--(BUSINESS WIRE)--Following a competitive review, Optimum, a brand of Altice USA (NYSE: ATUS), announced today it has selected New York-based O1, a Publicis Power of One solution, as its Creative, Media, PR and Production agency of record (AOR), effective immediately. The announcement follows a thorough review to select an agency partner who will drive further brand growth for Optimum and its suite of powerful connectivity products, including internet, mobile, TV, and phone services for residential ...