Sony is a large audio, video, and electronics company who uses wikis in their business. Sony has a robust wiki known as SonyPedia which allows employees to collaborate and exchange information. SonyPedia is an online forum which is bringing employees together by allowing them to post and interact in one place and it's also controlled by them. SonyPedia is a great tool that encourages employees to connect and share ideas.
https://support.office.com/en-us/article/Boosting-collaboration-with-wikis-blogs-My-Sites-ratings-and-tags-99dc30c8-d125-4e35-bc3f-9747537940a8
https://support.office.com/en-us/article/Boosting-collaboration-with-wikis-blogs-My-Sites-ratings-and-tags-99dc30c8-d125-4e35-bc3f-9747537940a8#__toc269217130
https://support.office.com/en-us/article/Boosting-collaboration-with-wikis-blogs-My-Sites-ratings-and-tags-99dc30c8-d125-4e35-bc3f-9747537940a8
https://support.office.com/en-us/article/Boosting-collaboration-with-wikis-blogs-My-Sites-ratings-and-tags-99dc30c8-d125-4e35-bc3f-9747537940a8#__toc269217130