AI agents handled 3.3B marketing interactions in 2025. Learn what they actually do, where they fail, and how Indian marketers are leading adoption in 2026.

Most startups hire in-house marketing too early, burning $324,000+ annually before finding product-market fit. This guide reveals when to build marketing teams versus using agencies, breaks down real costs for 2025, and provides a phased framework to avoid the premature hiring mistakes that kill startup momentum.