The Sprint Demo (or Demonstration) is not to be confused with the Sprint Review. The Sprint Demo is part oft he Sprint Review, but that’s not all. The main goal oft he demo ist o shpowcase the result oft he sprint, meaning showing the new feature that was implement within the product. The whole Agile Team will attend the meeting as well as users, customers and other stakeholders. A common measure is to allocate 1 hour of meeting per week of sprint but it really depends on the complexity of the new feature.