The general concepts found in this section are: 1  The earth's atmosphere is a very thin layer wrapped around a very large planet. 2  Two gases make up the bulk of the earth's atmosphere: nitrogen (), which comprises 78% of the atmosphere, and oxygen (), which accounts for 21%.
Lean startup is an approach to business development that is based on the principles of lean production, a manufacturing methodology that values a business' ability to change quickly. Download 9 FREE Strategic Planning Templates that your Peers Already Use.
Lean marketing is based on the book The Lean Startup by Eric Ries, which promotes the concept of iterative product design, development and launch.ean Marketing is about being agile, about viewing each campaign or marketing activity as one step in the ever-improving progress towards customer acquisition and ultimately customer satisfaction.