Author names, title, et.al. are imported automatically. One can even manually add tags for grouping of various references together. It can be used to search references made by all or one user. it encourages discovery of new articles. Review collected by and hosted on G2.com.
Application programming interface is missing. Occasionally there is saving and organizing concerns. Review collected by and hosted on G2.com.
The most helpful aspect is the integration of social networking in this citation management software compared to other similar softwares. Review collected by and hosted on G2.com.
It is more difficult to add sources other than articles, such as books and web pages and take up more time. Review collected by and hosted on G2.com.
CiteULike has a lot of information on articles, and it is different from other databases in that it also has groups and shares information on users who are also interested in the topic. Review collected by and hosted on G2.com.
The user interface makes me feel like I am in the 80s and if I am just searching for an article, I would go to another service, such as Mendeley that lets you cite and filter search results more easily. Review collected by and hosted on G2.com.