There are a number of mistakes when calculating the probability of a traffic news report being useful to a motorist.
The radio news isn't urgent, peppered with useful English phrases: traffic jam, bumper-to-bumper.
This is all useful information for current traffic planning, but Dr Helbing and Dr Treiber also have their eyes on the future.
As well as persuading people to visit sites carrying PepsiCo products, the experiment with Foursquare has also given the firm useful data about, for example, foot traffic to stores, which it can use to tailor promotions.
The vast traffic they attract brings huge potential revenues and lots of useful data that could help them shape the internet in future, rather than merely following Western models, says Duncan Clark, chairman of BDA China, a consultancy.
By economising on scarce mobile spectrum, femtocells might prove most useful in managing the rapid growth of internet and video traffic to smartphones and tablet computers.
If you hear a traffic report that the road ahead is blocked, it is only useful if you haven't already passed the last place that you could divert to avoid the problem.
That could cause Google to lose even more search traffic to Amazon as consumers realize that Google Shopping does not provide a truly useful way to compare product options.
FORBES: Is Google Shopping Funneling its Customers to Amazon?
In the first year of the next Conservative Government, we will find the most useful information in twenty different areas ranging from information about the NHS to information about schools and road traffic and publish it so people can use it.
In the first year of the next Conservative government, we will find the most useful information in 20 different areas ranging from information about the NHS to information about schools and road traffic - and publish it so people can use it.
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