Mark has been an established writer for two decades, delving into tech and gadget blogging twenty years ago, contributing to various consumer electronics-related websites. Over the last fifteen years, he has successfully managed TheGeekChurch.com, boasting a tech website, a YouTube channel (700+ subscribers), and a TikTok channel (20,000+ followers). As a seasoned author, Mark has published six books with Apress, covering Android Marketing, LEGO, Kindle Fire, and UBTECH/Jimu Robots, displaying a diverse and comprehensive writing portfolio.