Last year vivo's NEX smartphones took the world by storm with their slim bezels and motorized selfie cams, and the company doesn't plan on sitting still this year either. According to a series of new rumors out of China, vivo is working on a new smartphone codenamed "The Waterdrop" which will have a very unique design. The tipster sharing the info says it's guaranteed that you "have never seen a similar phone design", noting that it's the first time in history when a manufacturer tries something like this. What "this" is, that's another question. vivo "The Waterdrop" leaked...