Think you can't measure social media marketing? Think again. Here are some quick ways to keep an eye on your social marketing efforts...
Google Analytics
-Check the "referring sources page" to see how much traffic was generated by the social media sites you've been active in.-Look at overall traffic to website during same time period of your efforts. If you have a sign up/email form, look for lead spikes during time period of your effort.
Google Alerts
-Set alert for your name, your company name, and keywords in your content. You'll get notified via Alert if content/your messagegets picked up and goes viral.
Backlink Checkers
-Google Webmaster Tools: Check back links going to site during same time period of your effort.-Link Popularity Check: Link popularity analysis is one of the best ways to quantifiably and independently measure your website's online awareness.
Check out free backlink checker tools from iwebtool.com and backlinkwatch.com.