Stephen Christopher’s fortunes after the crash of 2008 were lower than he’d ever imagined—just short of living on the streets and going without food. So, when he urges aspiring entrepreneurs to set aside fear—and asks the question, “What’s the worst that could happen?”—they know he is speaking from experience. Far from being disillusioned and defeated, he is helping people grow their businesses, through his firm, Seequs Digital Marketing, and his podcast, Business Revolution