View Post Ad Biz | Agencies | Brands | Campaigns | Social Media Union Delivers Libretto Pizza to Instagram By Erik Oster on Apr. 8, 2014 - 2:41 PM Toronto-based agency photographed every pizza on Toronto hot-spot Pizzeria Libretto’s menu for a new social media campaign via Instagram. With business booming at the Verace Pizza Napoletana (VPN) approved restaurants, ̶ ...