1) The document outlines Seoul's initiatives to become a smart city through digital innovation and citizen engagement.
2) Key strategies include developing strong ICT infrastructure, open government, public-private partnerships, adopting technologies like IoT, big data and cloud computing, and sharing solutions globally.
3) Examples provided include the Open Data Plaza, an IoT pilot project, using transportation data to design improved late-night bus routes, and the Gaepo Digital Innovation Park which supports startups and conducts research.