The document discusses various methods for engaging consumers in the product development process, including design by community initiatives, idea platforms, pilot programs, and research projects. It describes a Design by Community project where Nokia collected ideas from readers to define a concept mobile device. It also outlines Symbian Ideas and Nokia Pilots programs that allow the public to submit and vote on new ideas and participate in product testing. Finally, it discusses a research project in Nairobi that studied ad-hoc content sharing between devices at concerts.