Minimum Viable Product & Iterating

A minimum viable product is not a product, it's a process - Yevgeniy Brikman
Explains that the (next) minimum viable product is neither more nor less than what is required to test the riskiest assumption.

Minimum viable problem - Scott Sehlhorst
Emphasizes that products must solve complete problems, which are best understood best outside-in.

Designing user experience for minimum viable product - Thomas Budiman
Good description of the need to still pay attention to fundamental design attributes even for minimum viable products.