Zac, Rankings (Google and Alexa) are not only a good indicator of SEM success, but the more discriminating websites (which tend to be higher quality sites) look at rankings before linking to a website. So not only do a large number of quality inbound links end up pushing a site further up in the SERP's, they also provide more traffic and contacts/calls. The rich get richer.
Rankings = Links
Zac, Rankings (Google and Alexa) are not only a good indicator of SEM success, but the more discriminating websites (which tend to be higher quality sites) look at rankings before linking to a website. So not only do a large number of quality inbound links end up pushing a site further up in the SERP's, they also provide more traffic and contacts/calls. The rich get richer.