In a few minutes. Any data with coordinates can be mapped, styled by a field such as functionality, and shared by link, so a map for a meeting does not need a GIS specialist or a desktop tool.
Video: Build a Water Point Map in mWater in under 3 Minutes on YouTube
Speed matters here for a practical reason: maps get made when they are cheap to make. If producing a district map is a week of specialist work it happens once a year, and decisions in between get made without one. Being able to produce a current map during the meeting that needs it changes how often spatial information actually informs a decision.