FRONTGATE MEDIA REACHES 15 YEAR MILESTONE  Leading Marketing Agency serves as Gateway to the Christian Audience  Media Contact: Lori Heiselman 714-553-5181 Lori@FrontGateMedia.com Orange County, CA (October 4, 2016) – In our modern era, filled with disposable products and instant gratification, longevity is rare. Sustainability is a common catch phrase, but “15 minutes of fame” is still the norm. In fact, the average lifespan of a company has plummeted to 15 years. But going against the trend, FrontGate Media is celebrating 15…