As AI agents flood the web, a fast-growing maze of protocols—from MCP and A2A to AdCP, UCP, and TAP—is emerging to power how bots buy ads, make payments, and transact online.As AI agents flood the web, a fast-growing maze of protocols—from MCP and A2A to AdCP, UCP, and TAP—is emerging to power how bots buy ads, make payments, and transact online. Read More