Tim Bonnemann presented on how technology can enable public participation in participatory budgeting (PB). He discussed the wide variety of online tools suitable for PB and how they can support each step of the PB process. Bonnemann also provided examples of PB projects in Cologne, Germany and Recife, Brazil that utilized online and mobile tools. His key takeaways were to pick tools wisely based on purpose, technology can support all aspects of PB, and to get excited about enabling amazing participation experiences.