Wikipedia is free because is owned and run by a non-profit, the Wikimedia Foundation, which gets virtually all of its funds through donations and private grants.What is online encyclopedia?
An online encyclopedia is an encyclopedia accessible through the internet, such as Wikipedia. The idea to build a free encyclopedia using the Internet can be traced at least to the 1994 Interpedia proposal; it was planned as an encyclopedia on the Internet to which everyone could contribute materials.What is Android wikipedia?
Answer Wiki. Android is an open source and Linux-based operating system for mobile devices such as smartphones and tablet computers. Android was developed by the Open Handset Alliance, led by Google, and other companies.