Which of the following are the examples of Social Computing/Crowd Computing: [MSQ] Wikipedia Stack Exchange Quora Facebook

All of the options provided are examples of Social Computing/Crowd Computing. Here's why:

1. Wikipedia: It is a free online encyclopedia that can be edited by anyone. This is a form of crowd computing as it relies on the collective intelligence of internet users to provide its content.

2. Stack Exchange: This is a network of question-and-answer websites on topics in diverse fields, all of which are built and run by experts and enthusiasts. It is a form of social computing as it relies on the community to answer questions and vote on the best answers.

3. Quora: This is a platform where users can pose questions and get answers from other users. This is a form of social computing as it relies on the community to provide and vote on the best answers.

4. Facebook: This is a social networking site where users can post comments, share photographs and post links to news or other interesting content on the web, chat live, and watch short-form video. It is a form of social computing as it relies on the community to provide and share content.