RIA development is a funny thing. A smarter client means that your server code is no longer all about handling display logic. Instead, you’re in charge of feeding data (typically XML documents) to the client whenever it asks for some, and handling any database updates (typically XML documents again) that might be needed.
Geoffrey Moore’s book “Crossing The Chasm” is widely considered to be the bible of Silicon Valley. What insights does the model proposed by the book have to offer usability practitioners? In particular, at what stages in life cycle of a product will decision makers influenced by the model be willing to invest in usability?