By: Mike Isaac | AllThingsD
Sometimes you gotta throw a few elbows to stay king of the hill.
Facebook knows this more than anyone. And now Instagram is taking cues from its parent company.
The preeminent photo-sharing network updated its brand-enforcement guidelines on Monday evening, essentially cracking down on apps that use part of the Instagram nomenclature — namely “Insta-” or “gram” — in their branding.