Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:
http://www.businessinsider.com/cell-phone-history-cars-mobile-motorola-apple-bell-labs-samsung-google-2017-7

The "newest" cellphone seems already outdated...cellphones started growing again in recent years.

Source: https://www.google.dk/search?q=iphone+evolution+image&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiW8dWOpbPVAhXEtRQKHTyOBmsQ_AUICigB&biw=1707&bih=967&dpr=1.13#imgrc=1wogv8l40RTu2M: