How to decide what to build, what to buy, what to access through partners, and what to participate in through ecosystems — covering differentiation vs commodity analysis, vendor evaluation, total cost of ownership, interoperability velocity, exit strategy, and lock-in risk.
...Platform Lock-in level Deliberate? Exit cost Exit plan Review date AWS High Yes £2M, 18 months Multi-cloud abstraction layer Annual Auth0 Medium Yes £200K, 3 months Standard OIDC, portable Annual Vendor...