By drawing on several cases around the world, this book illuminates the role of crowdsourcing in policy-making. From crowdsourced constitution reform in Iceland and participatory budgeting in Canada, to open innovation for services and crowdsourced federal strategy process in the United States, the book analyzes the impact of crowdsourcing on citizen agency in the public sphere. It also serves as a handbook with practical advice for successful crowdsourcing in a variety of public domains.

The book describes the evolution of crowdsourcing in its multitude of forms from innovation challenges to crowd funding. Crowdsourcing is situated in the toolkit to deploy Open Government practices. It summarizes the best practices for crowdsourcing and outlines the benefits an challenges of open policy-making processes.