Data allows businesses to improve decision making and gain enhanced insights

• Healthcare
  • Tracks patient data to improve treatment
  • Big data helps find illness patterns and predict outbreaks
• Shopping & Advertising
  • Stores recommend products based on purchases
  • Big data powers personalised adverts based on browsing history
• Transport & Navigation
  • Data helps plan bus routes and reduce traffic
  • Big data gives live updates to find the fastest journey
• Weather Forecasting
  • Daily forecasts use data from sensors and satellites
  • Big data improves accuracy of storm and flood warnings
• Decision Making
  • Schools and councils use data to make informed plans
  • Big data allows large-scale analysis for public services
• Apps & Online Services
  • User data personalises music, video, and content feeds
  • Big data tracks millions of users to improve recommendations

Big data comes with increased cost, security and management

• Needs a lot of storage
  Large amounts of data require more space (e.g. cloud storage)

• Takes time to process
  Analysing big data can be slow without powerful computers

• Keeping it secure
  More data means more risk — strong security is needed

• Hard to manage
  Data comes from many places and in many formats

• Privacy concerns
  Big data can collect personal info — must be used ethically