Freemium

Freemium is one of the billing system for Internet service and content, and offers basic features and content, to provide rich content and advanced features as paid additional services approach. Combination of “”free”” (free) and premium (premium). Traditionally, full service paid higher threshold it degraded users, completely free service was never gets any good enough revenue, service maintenance and expansion become difficult dilemma, such as advertising on a site. In a freemium pricing model to improve this in the users ‘ offers a free basic content to attract users, liked to sell advanced and useful features as an option. Near to sell regular version distributed free trial version, which is common with software sales or development version, liked to