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CC-BY-SA 3.0 and GFDL dual license: No Yahoo! Answers: 2005: 2021: All topics: 13 languages: Contributions owned by the author. Yahoo retains rights to the use, distribution or modification. [12] No Zhihu: 2011 — Many topics: Chinese and a few others: Owned and operated by the original authors. Yes, except to view answers of questions when ...
A question and answer system (or Q&A system) is an online software system that attempts to answer questions asked by users.Q&A software is frequently integrated by large and specialist corporations and tends to be implemented as a community that allows users in similar fields to discuss questions and provide answers to common and specialist questions.
MetaFilter, known as MeFi to its members, [3] [4] [5] is a general-interest community weblog, founded in 1999 and based in the United States, featuring links to content that users have discovered on the web. Since 2003, it has included the popular question-and-answer subsite Ask MetaFilter.
The 10 to 1 ratio was an estimate made in 1972; current estimates put the ratio at either 3 to 1 or 1.3 to 1. The total length of capillaries in the human body is not 100,000 km. That figure comes from a 1929 book by August Krogh, who used an unrealistically large model person and an inaccurately high density of capillaries.
The subreddit describes its focus as "to ask and answer questions that elicit thought-provoking discussions". [5] As of July 2015, AskReddit was the most popular subreddit on all of Reddit, [ 6 ] and as of December 2024, it has 50 million members. [ 7 ]
For example, research shows that people in the West have it the most (approximately 60 times per year, on average), while people in the East have the least (just under 50 times per year).
Web3 (also known as Web 3.0) [1] [2] [3] is an idea for a new iteration of the World Wide Web which incorporates concepts such as decentralization, blockchain technologies, and token-based economics. [4] This is distinct from Tim Berners-Lee's concept of the Semantic Web.