Last year, people had an idea of how quickly 3G would cross to LTE/4G, and the forecasts have mostly proven true so far.
4K may change things though. Many TVs and monitors, and even a tablet, with a resolution of 3840 x 2160 pixels have appeared.
They won't take the market by storm yet, not with prices of several hundred thousand dollars.
They could cause a faster broadband and TV content development movement though. After all, it was a bit strange at CES 2013, with so many 4K displays but little to no 4K content. Companies played with upscaling technologies, but it is a shade of the technology's true potential.
The interest shown by rich consumers will probably determine how much effort TV content providers and broadband suppliers put into their research.
4K TV May Finally Push for a Leap in Broadband and TV Content
Since it takes a lot of data to produce a 4K image, wider data bands may be needed
... so hot right now