What's the hidden code on Joe Belifore's Windows 10 Insider t-shirt?

[Windows Central]

Microsoft's Windows VP Joe Belfiore made an appearance today at the company's TechEd Europe keynote event in Barcelona, Spain. He was wearing a t-shirt that had a Windows logo but with a series of 1s and 0s embedded in it. As it turns out, that was not just a design choice; there is some kind of code lurking in that t-shirt.

Full story from the WindowsCentral blog...