The trickster is an archetype whose presence is not limited to mythology. While there will always be a shape shifter like Loki lurking around, fast-thinking humans have always had a talent for distracting onlookers in times of crisis.
The battle of the sexes may be as old as time. But men often approach the battlefield armed with belligerence, brawn and bravado while women manage to bewitch, bother, and bewilder them with a potent combination of brains and beauty.
Both Facebook and Groupon became successes because they are web based networks that required few management skills, minimum capital to start, and there were no barriers to entry. That is also their biggest problem.