Hofstadter's Law An Idea by Douglas Hofstadter en.wikipedia.org It always takes longer than you expect, even when you take into account Hofstadter's Law. On the "Building" of Software and WebsitesDeadlines are bullshitParkinson's Law recursionself-referenceplanningtime
Welcome changing requirements Welcome changing requirements, even late in development. Agile processes harness change for the customer's competitive advantage. Manifesto for Agile Software Development A late change in requirements is a competitive advantage planning