Mary and Tom Poppendieck summarize the objective of the “Lean Mindset” book in the introduction: “we present a mental model of how to design and deliver amazing products that delight customers”. Following the same idea that you should “be Agile” and not only “do Agile”, the book explains how to build the mental model to act in a lean way, discussing the creation of a favorable environment and process to deliver value to the customer.
Agile approaches like Scrum recommend a “just enough” attitude in software development and this is also the case when you discuss tools. Ideally, you would work with a small team that is collocated, but this is not always possible and you might be running your project virtually with a distributed Scrum team scattered around the world.
Scrum of Scrums is a technique used to scale Agile by dividing the groups into Agile teams of 5-10. Each daily scrum within a sub-team ends by designating one member as representative to participate in a daily meeting with ambassadors from other teams, called the Scrum of Scrums. This article provides some tips on how to succeed with Scrum of Scrums.