In the mid-1990s, my interest in complex adaptive systems began to add a conceptual background
to the team aspects of the practices and was the catalyst for the name change from RADical
Software Development to Adaptive Software Development (Highsmith 1997). ASD has been used
by companies from New Zealand to Canada for a wide range of project and product types.
Interestingly, I became aware of XP just a month prior to the publication of Adaptive Software
Development (Highsmith 2000), when Kent and I exchanged emails. Extreme Programming
Explained (Beck 2000) and Adaptive Software Development were published within a couple of
months of each other