In a world where giants the size of mountain-ranges lift entire cities and skyscraper-sized CEOs frequently nom on people, these "tiny" giantesses should literally be no biggie. However, the fact that most buildings are high enough to conceal them, they got the element of surprise going for them. You can walk around a corner and suddenly bump into a giant boot. Plus, those Emmas are more "down to earth" (herp derp). Since they're not THAT big, they can interact with the little people more closely.
Go follow me on Twitter: @UnseenHarbinger! I tend to publish WIPs and other stuff there, which I don't tend to upload anywhere else (because I'm lazy).
Disclaimer: The story, all names, characters, and incidents portrayed in this production are fictitious. No identification with actual persons (living or deceased), places, buildings, and products is intended or should be inferred.