Start-up Mojo Global, offering a unique video marketing system, will have its story told via PizzInovations — a public relations firm headed by 23-year communications guru Jeff Pizzino.   SCOTTSDALE, Ariz. – April 27, 2010 – Today Mojo Global announced it has chosen PizzInovations as its public relations agency of record. “We chose PizzInovations because we believe this firm has …