for questions completely specific to the MS-provided SharePoint Cloud Service (Office 365's SharePoint Online/BPOS)
Use this tag to mark questions related to SharePoint Online (both Business Productivity Online Services and Office 365). Your question must be truly specific to one of these services to have this tag.
Microsoft SharePoint Online is a service for collaboration, sharing, and editing of documents using internal and external sites including My Sites, Team Sites, Intranet Sites, and Extranet Sites. It can also be used to create public-facing Web sites.
SharePoint Online is a cloud-based service that helps organizations share and collaborate with colleagues, partners, and customers. With SharePoint, you can access internal sites, documents, and other information from anywhere—at the office, at home, or from a mobile device.
Read more about SharePoint online, here.