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Another use for online social networking in recruiting has been the establishment of professional discussion groups and forums, such as those intended to promote meaningful discussions among members of given fields of employment, such as HR professionals, for example. There does seem to be a potential in this application of online social networks, but some of those efforts have not yielded the productive results hoped for when they were first created. Some of those involved in establishing those kinds of professional networks have discovered that many more people sign up initially than actually participate once their memberships are active. Typically, email updates from those networks are ignored or deleted as spam and some of those who sign up rarely visit or contribute to them thereafter.
Consequently, some organizers of these networks have begun shifting away from the forum-type of networks in favor of using Twitter for similar purposes. So far, they have experienced limited success and they have discovered that there is a definite art to the productive use of Twitter for this purpose as well. For one example, effective use of Twitter requires a commitment to very regular updates. For another example, it has become obvious that certain types of social networks (such as FaceBook) are best for maintaining contact with undergraduates whereas Twitter is preferable for maintaining contact with fellow HR professionals already working in the field who may have less time for FaceBook and MySpace-types of social networks because of their work commitments.