One common refrain we hear from iPhone haters is that Apple has essentially gotten away with releasing the exact same smartphone every year since 2007. While this may sound clever, it’s also completely untrue: The iPhone has changed dramatically over the past seven years, as a new picture flagged by Redditor LobaltSS makes abundantly clear. In fact, the picture shows that the early iPhones, and the iPhone 3G in particular, look positively clumsy compared with the flatter, thinner design that Apple first introduced with the iPhone 4. This also shows us how Apple obsessively refines its products, even though they’re considered cutting-edge at the time of their release: Apple probably didn’t have to radically change its iPhone design since the iPhone 3GS