Here's one: the Amazon Stampcard. Think of it like a punch card you get at your favorite sub shop — every time you buy a sub, you get a stamp, and when you get enough stamps you get a free sub.
It's a name that evokes epic proportions: the world's largest rainforest; a global tech company; and now a diplomatic saga nearing its end. This is the battle of the Amazon and it starts back in 2012.
Amazon, it turns out, is absolutely the place to stock up on underwear, socks, and tees. Not sure where to start? Calvin Klein's genre-defining undies have consistently earned our stamp of approval ...