If you've been watching social media carefully over the past month, you may well have noticed a particularly lucky set of super-cool girls who managed to get their mitts on Nike's VaporMax sneakers when they landed the first time around in March. Just how did they do it before these must-haves literally flew off shelves and out of stock? Consider this a very important heads-up (and your chance to catch up): The sportswear giant has just launched a second batch this morning.