Whether you're a lover or a hater, there's no denying that Apple has changed the face of the planet. They've built some of the most iconic tech products of the past 30 years. From the iPod to the iMac-"It just works" became the mantra for the most successful corporation to ever exist. However, for all of Apple's innovation and forward-thinking technology, there's one thing they never got quite right. Email. The thorn in the side of the Apple empire.