A new UK transportation project uses a digital platform to map trouble spots — traffic jams, late buses, stationary trains — by tracking passengers' emotions on social media. This type of "sentiment mapping" plan will combine information collected from various social media channels, like a geo-located tweet or Facebook status, to build an intelligent tool that offers live feedback about all kinds of journeys in different locations. The collected data could help users plan efficient routes to their destinations. The project could also provide transport operators with a better understanding about the needs of their passengers and enable them to respond better in emergencies.

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