OpiaTalk: How Tom Popomaronis used LinkedIn to nab Skype as his startup's first client

Plenty of tech startups would be happy to have just any client a few months after starting. Baltimore's OpiaTalk, which launched in 2013, doesn't have just any client. The company landed Skype as its first deal. That's plenty impressive on its own. But what really adds to OpiaTalk's story is how founder and CEO Tom Popomaronis got the online communication giant's attention — a friendly LinkedIn message. For more news from the Baltimore Business Journal, check out Sarah Gantz's…