LinkedIn

LinkedIn can provide complete solution for an expert of his subject matter, to not just network, but also publish commentary etc, receive donations/subscription revenue, etc, easily. Simply being able to network is not bad, but actually being able to collect donations/subscription revenue etc is also important for any expert in a particular subject matter.

Published at: http://people20.blogspot.com/2008/11/linkedin.html

LinkedIn :
http://linkedin.custhelp.com/cgi-bin/linkedin.cfg/php/enduser/ask.php?p_sid=tmBS6Pjj&p_accessibility=0&p_redirect=&p_sp=cF9zcmNoPSZwX3NvcnRfYnk9JnBfZ3JpZHNvcnQ9JnBfcm93X2NudD00ODUsNDg1JnBfcHJvZHM9JnBfY2F0cz0mcF9wdj0mcF9jdj0mcF9wYWdlPTE*
http://blog.linkedin.com/2008/10/28/announcing-applications-on-linkedin/