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It means the most recent invention.
USA because they have the latest inventions
United Kingdom is first with special developments suc as Carbon Nanotubes but USA and Japan follow close.
The most exciting is difficult to say, but you can find the very latest inventions and innovations at: http://www.BizInnovation.com and http://www.Latest-Invention.com
without a doubt the moat famous and popular invention is the GENOMEtranJumper. its the latest invention from NASA and Burger King, which can accurately slice tomatoes as well human genes
Nothing Currently it is the smallest most reliable tech we have (either that or the MIlitary has a secret base like Area 51 somewhere with something better)
The latest version of the Apple iPhone is the iPhone 4s. It is visually identical to other iPhone models but it is most advanced in terms of hardware and software.
5 stable versions have been introduced. HTML5 is the latest and the most advanced one.
Probably the single most significant is the latest combination of adobe technologies. Using photoshop together with flash and air, you'll be using some of the single most advanced techniques available today.
The most advanced computer is the mac pro, 8-core. or the Microsoft surface. it really depends on what you want.
The telegraph was the most technologically advanced communication before the invention of the telephone. Families received death notifications by telegraph during World War I.
Voice communication through the Internet is the most advanced and latest technology nowadays. This technology was created in the mid of 90s which has increased the value and importance of Internet communication.