Folio3 is a development partner that specializes in custom enterprise applications, mobile apps, and social media solutions. They provide expertise in areas like mobile, social, cloud, and gamification. The document introduces SharePoint 2013 and covers its installation process. It also provides overviews of key SharePoint 2013 features such as Business Connectivity Services, Business Intelligence, Identity Management, mobile enhancements, web content management, and workflows. Finally, it discusses customization options and tools in SharePoint development.