Give answer

(b) Visit two reference wikis. Which subjects are featured? Which organizations host the websites? How are the wikis funded? Are they public or private? Who may edit the content? What procedure is used to add, modify, or delete information? (c) Visit two collaboration websites. What features are available for sharing content, such as managing projects, scheduling, blogging, discussing forum topics, publishing information, delivering announcements, or uploading photos and videos? Are chat windows and whiteboards offered? What is the charge for using these services? Do they offer a mobile app? Do members receive notifications when content is updated