a16z Adds a New Interview Question: How Would You Defend Against Big Tech Entering Your Market?

a16z has recently added a classic practical question to its founder and investor interviews: "If a big company suddenly enters your market/product, what defense strategy would you adopt?"

This question has become an important criterion for a16z to assess founders' strategic depth and crisis awareness.

Key Assessment Points

- Whether the founder has a clear understanding of big companies' strategies (slow decision-making, abundant resources, strong execution but slow innovation)
- Whether there is a systematic defense mindset, rather than simply "being faster than them" or "doing better"
- Whether there is a proactive layout of composite barriers, rather than a reactive approach

Typical high-scoring answer frameworks include:

- Speed Barrier: Maintain an iteration speed that is 2-3 generations ahead of big companies, establishing user mindset before they can react
- Network Effect Barrier: Turn users and developers into a moat, establishing strong community co-creation and emotional connections
- Vertical Depth Barrier: Excel in niche scenarios that big companies are unwilling to deeply engage in, making it unprofitable for them to replicate
- Strategic Option Barrier: Maintain a position that is acquirable but difficult to be outcompeted, while also laying out multi-platform compatibility

a16z believes that founders who can answer this question deeply and structurally are more likely to survive and succeed in real competition.