Glasshouse, also by Charlie, is another scifi that deals with the idea of the information economy, as well as a great deal of things Cory Doctorow has written,

Glasshouse, also by Charlie, is another scifi that deals with the idea of the information economy, as well as a great deal of things Cory Doctorow has written, and to round out my list, The Diamond Age, by Neal Stephenson.