Personal data are clearly different; they're better than no data and can sometimes be more useful (e.g., local descriptions of places to visit or traffic-delay "hotspots").

个人数据很显然是不同的，有时候没有数据也许更有用。(比如：当地可旅游的景观和地点以及交通堵塞地段在哪儿。)

youdao

This real-time Fast Data collection and analysis can help optimize traffic management, provide forensic analysis, identify traffic hotspots or help with crime prevention.

FORBES: Fast Data Gets A Jump On Big Data

The money will be spent on traffic management schemes at accident hotspots and advertising campaigns to raise awareness.

BBC: Road safety in London 'must change'

Transport for London (TfL) has urged commuters to avoid travel hotspots during the Games, with traffic expected to be much heavier as schools return from their summer breaks.

BBC: Commuters urged to prepare for Paralympic Games