Welcome to another round of Blake's Coolest Things: Under $100 Edition.It's like Oprah's Favorite Things but much, much cooler. This 100 gift list covers soup to nuts everyone on your list. It blends fun with functional, cool with color me surprised and sure fit with OMG THIS IS PERFECT.This is my 5th year of gifting season and I hope you enjoy the fruits of hours of research and curation. My goal…