Birmingham's Innovation Depot houses almost 100 startup businesses, and has an economic impact of more than $1.3 billion. But as these startups get ready to graduate from this business incubator, they're struggling to decide where to office next. We talk about it in this week's Magic City Marketplace. Birmingham Business Journal editor Cindy Fisher Crawford tells WBHM's Rachel Osier Lindley about how Innovation Depot helps grow business in the city.