You'd be forgiven for thinking the world of technology is full of empty promises.
Three different companies all made erroneous claims they had "invented a hoverboard" last year, while self-driving smart cars, fully connected homes and VR video games all seem to have been "coming soon" for the better part of this decade.
So how did this year's Consumer Electronics Show line up? Were the Las Vegas halls filled with tech we wouldn't be seeing for years to come, or did some truly world-changing gadgets finally get revealed?
From retro revivals to futuristic concepts, here are the coolest products shown off at this year's CES event.