For decades Dale Carnegie [2]has been the go-to person for learning How to Win Friends & Influence People [3]. Now, Dale Carnegie & Associates has updated the classic book for the Digital Age [4]. Take a look.
Links:
[1] http://hcpl.net/users/angel-hill
[2] http://en.wikipedia.org/wiki/Dale_Carnegie
[3] http://catalog.hcpl.net/ipac20/ipac.jsp?menu=search&aspect=subtab13&term=win%20friends%20influence%20people%20carnegie&index=.GH#focus
[4] http://catalog.hcpl.net/ipac20/ipac.jsp?menu=search&aspect=subtab13&term=win%20friends%20influence%20people%20carnegie%20digital%20age&index=.GH#focus
[5] http://hcpl.net/taxonomy/term/34
[6] http://hcpl.net/category/tags/social-networking