Long viewed as a hindrance to planning public works, old-fashioned public consultation can provide insights just as valuable as anything big data can offer.
The Chinese government is hoping the mushrooming AI sector will be worth $1 trillion yuan by 2030. Here are the five companies currently leading the field.
Air pollution kills millions each year. The data from a new generation of sensors is helping tackle this - and it promises to deliver social and economic benefits, too.
A new study evaluates whether emotions could be expressed with scent during digital communication.