SideBox has won a contest with its innovative Campaign Call Center tool, which makes creating landing pages easy and connects users with human customer service agents using Twilio Client's Click-to-Call feature. The tool also allows businesses to track the entire customer experience and A/B test landing page effectiveness. As a result, SideBox will receive a Twilio Timbuk2 Messenger, free passes to Twilio in San Francisco, $100 in Twilio credit, and a brand new 11-inch Macbook Air for development purposes. Additionally, Twilio is hosting a developer contest, encouraging developers to showcase their projects using Twilio Client and offering swag as an incentive.