Pivoting: Based on Lean Startup Principles

The ability to change the business model based on customers’ needs is a fundamental principle of lean startup model. Based on the article

https://www.kohactive.com/blog/pivoting-is-part-of-the-startup-process/ discuss

(a) one company whose pivoting strategy you found most intriguing, and

(b) based on discussion with a potential customer and feedback that you have received from me about your product/service idea discuss what may you have to change in your initial idea.