SAN FRANCISCO--(BUSINESS WIRE)--Order ahead app Ritual today announced year over year growth to more than 44,500 workplace teams added and 2x growth of restaurant partners, in addition to expansion into four new cities and the closing of a $70 million Series C. Ritual’s rapid growth is largely driven by workplace teams adopting its social ordering and delivery feature Piggyback. Upon signing up for Ritual, Piggyback connects users with teams based on workplace and location, creating a dynamic s.