The document discusses the increasing use of mobile apps and web services to address various social problems, highlighting that user engagement with smartphones has grown significantly since 2013. It outlines the types of social issues that can be tackled through innovative apps, presents strategies for developing social projects, and describes a success story involving the 'Marathon of Health' project that engages users in responsible consumption activities. Key factors for successful digital projects include virality, constant development, and effective use of mobile functionalities.