Creating backlinks is very important for any type of online business or service oriented business. Not only does it allow you to control what's being said about you, it also let's you market your services and products. You can see some examples here:

http://libcom.org/user/carollsmart45
http://www.wordnik.com/people/carollsmart45
http://www.slystonemusic.com/users/carollsmart45
http://forum.soholaunch.com/members/carollsmart45.html
http://designbump.com/users/Carollsmart45
http://raptr.com/Carollsmart45
http://bambuser.com/node/441853
http://ecotect.com/user/7541
http://www.politicalcortex.com/user/Carollsmart45
http://www.greenfaucet.com/carollsmart45/93515