SEO - LInk Building Vs Link Spam

[razsports]

When it comes to SEO- what is the real meaning of spamming a web page? Please give example!Please list a way for a webmaster to develop link building?PersonA is hired to complete link building for personB and PersonC, which both own a site relating to real estate in Boston. Would their ranks be hurt if personA submits to same pages using same IP?


Raz