With Toyota introducing a family of Priuses (Prium? Prii?), what do we call them? This video kicks off our search for the proper plural, but the ultimate decision is up to you. Cast your vote at http://www.toyota.com/priusfamily and be sure to check in on 2/20/11 to see if your plural was deemed official.
Toyota is adding new members to its Prius family. There’s been a growing debate among Prius owners over the last decade about the correct plural name for Prius. To answer that question, Toyota is launching a new grammatically focused marketing campaign to give consumers the ability to vote and determine the official plural of Prius.
Advertising Agency: Saatchi & Saatchi, US