Here’s a sweet map of 70 tech firms in Baltimore city – Technical.ly Baltimore

Let’s stop the worrying right now. Baltimore city has its own network of growing innovation clusters.

That doesn’t take anything away from the county or the rest of Maryland or the broader mid-Atlantic region, for that matter. It’s just that it needs to be said that Baltimore’s old urban core is having a revival — and technology, creative and web businesses are playing a real role.