Business and consumer applications are increasingly moving to cloud services. For businesses, the cloud allows applications to help organizations grow. Consumer applications in the cloud allow high levels of interaction and access productivity and social networking tools. Productivity applications in the cloud include services for document storage, office automation, and virtual desktops, such as Dropbox, iCloud, and Google Docs, which allow synchronization across devices and collaboration. Social networking services hosted in the cloud include Facebook, which has over 800 million active users and allows profile creation, friend connections, and messaging.