Minimum Viable Product (MVP) is a simple product with only a minimal set of features to enable testing with real users. That can be achieved using various types of MVPs.
PEST Analysis is used to assess the external factors to the current business situation. Often used with SWOT and Porter Five Forces.
Minimum Viable Product
Start with MVP poster. Minimum Viable Product is the core of your product which can provide enough functionality to observe the user behavior.