Both its strengths and weaknesses are linked to the fact that Wikipedia is open to anyone, has a large contributor base, and contains articles written by consensus.
It's nice to see that people are understanding Wikipedia as a decent resource for information on the Internet. The thing about research and paper is that there is a lot of it and there is a variety of journals and articles of resources with all varying scholar and reliability. They're only a couple a few encyclopedias that are on the Internet made for research, wikipedia being one known for its open access and open source format. This allows for it to be approached from a communal sense allowing for a variety of experiences ideas and perspectives to be given, so often at the cost of credibility coming from an author that is renowned in their field for the subject.