Cite a strength and a weakness of Lean Startup from these slides below

Answer them with no more than a paragraph

  

Lean Start- Up Lean Start-Up Aims to shorten product development cycles by adopting a combination of business-hypothesis driven experimentation, iterative product releases and validated learning The central hypothesis of the lean startup methodology is that if startup companies invest their time into iteratively building products or services to meet the needs of early customers, they can reduce the market risks and sidestep the need for large amounts of initial project funding and expensive product launches and failures.