Buzz sits inside a wider shift in agentic software: users want more capability without accepting invisible authority or unrecoverable state. Buzz can be described as an event-driven workspace where humans and agents share identity, history, code, and auditable actions. This article examines it through throughput, latency, capacity planning, backpressure, cost, and the point where a convenient abstraction becomes an operational liability. The objective is not to repeat a project summary. It is...