Several major sites such as Facebook and Twitter previously offered RSS feeds but have reduced or removed support. Additionally, widely used readers such as Shiira , FeedDemon , and Google Reader have been discontinued having cited declining popularity in RSS.  RSS support was removed in OS X Mountain Lion's versions of Mail and Safari , although the features were partially restored in Safari 8.   As of August 2015, Mozilla Firefox and Internet Explorer include RSS support by default, while Google Chrome and Microsoft Edge do not. Additionally, reader services such as Feedly provide synchronization between desktop RSS readers and mobile devices.
Communism is often contrasted with capitalism and democracy , though these can be false equivalencies depending on the usage. Capitalism refers to an economic theory in which a society’s means of production are held by private individuals or organizations, not the government, and where prices, distribution of goods, and products are determined by a free market. It can be contrasted with the economic theories of communism, though the word communism is used of both political and economic theories. Democracy refers to a system of government in which supreme power is vested in the people and exercised through a system of direct or indirect representation which is decided through periodic free elections. Democracy is contrasted with communism primarily because the 20th-century communism of the . was characterized by an authoritarian government, whereas the democracy of the 20th-century . was characterized by a representative government.