The old martech stack is not just messy. It is starting to get in the way. In this GTM Slop piece, Brett House breaks down Scott Brinker’s new report on the AI-era martech stack and explains why the shift from rigid stacks to composable systems matters for speed, integration, data, and growth. The real advantage will not come from buying more tools. It will come from building a growth system that moves faster, decides better, and executes with less friction.