Drss%26chinavariant%3DFalse&utmmedium=10today.0202&position=4&part=s1&chinav ariant=False> For the first time, Pentagram tells the story of building Shake Shack's branding from the ground up.Last week, Shake Shack went public in an IPO that ballooned to... read more <http://cdn.fli pboard.com/email/assets/sma