A self-driving electric car built and designed in Zhejiang province is on display at the Light of the Internet Exposition of the 4th World Internet Conference underway in Wuzhen, Zhejiang province on Dec 3. [Photo by Xiang Wenjian/chinadaily.com.cn]

After a day's exhaustive trip into the future of the world today, I can't help but think that this might all seem passé to someone in 20 years' time who has his own robot butler and smart phone implant in his eardrum. 

Emblazoned above a sunburnt orange driverless car, which looks like it could be fitted with a flux capacitor, there is a slogan that reads "What's next?". Indeed, what is next? And if you can answer that question, then my guess is you could end up a rather wealthy humanoid, indeed.