In their quests to make the world a better place, Mahatma Gandhi promoted peace, Mother Teresa nurtured the impoverished, and Martin Luther King Jr. fought for equality. Following these precedents, one Denver man is making his contribution to humanity by committing to protect his neighbors from parking tickets. Last summer, Phil Gage noticed how often people were getting ticketed for not moving their cars on street-sweeping days, so he decided to take a stand. Gage founded First Call Communications, a service that uses a computer program to notify subscribers the day before a scheduled street sweeping so they can move their cars and avoid a $15 ticket. He began with twelve subscribers, but business has grown tremendously, and he now boasts 600 ticketless customers. People can opt for free service, which means their phone call comes with a sponsor's advertisement, or they can pay $5 a year to get a message without the ad. Gage's ultimate goals: to serve 10,000 residents and to make the world a better place, one street at a time.