Product Lock-in : Related, but different is being locked into a product. When migrating from one vendor's product to another vendor's, you are usually changing both vendor and product, so the two are easily conflated. Open source products may avoid the vendor lock-in, but they don't remove product lock-in: if you are using Kubernetes or Cassandra,
Mental Lock-in : The most subtle, but also the most dangerous type of lock-in is the one that affects your thinking. After working with a certain set of vendors and architectures, you are likely to absorb assumptions into your decision making, which may lead you to reject alternative options. For example, you may reject scale-out architectures as