Historically, most of the big hotel brands/groups have opted to build their stack on top of legacy PMS platforms. These platforms provided a 'safe' solution for consistent deployment on a global basis. A certain number of brands opted to develop their own in-house solutions (i.e. Hilton OnQ) or decided to partner with major tech players (Amadeus/IHG). However, given the evolving possibilities of building the next-gen tech stack around CRM, combined with API enhanced connectivity, hotel groups are re-thinking their strategies toward a PMS agnostic approach. What can we learn from this new approach?