SharePoint hub sites are a new building block for your intranet, to bring together related sites to roll up news and activity, to simplify search, and to create cohesion with shared navigation and look-and-feel -- ultimately giving your business the flexibility and agility to dynamically grow and respond to the changes in business, without rigid silos, helping bind a more cohesive workforce moving forward in the same direction.
This presentation sets both context of how SharePoint hub sites compliment your intranet, and describes the features and functionality and the scenarios they support.