Observe the conversations
You must check the view that social media users have about your company and this can be done by using tools namely TwitterSearch or TweetDeck.
Get alerts with Google
Analyze the Google alerts related to your brands/products and services/ company name/title. Type your search phrases and words and receive updated info on them. Whenever, somebody online posts a blog on your product/brands, you will get an alert.
Monitor Facebook status
Get the number of people who have viewed your company page from Facebook. Social networking on Facebook allows you to know if you are creating a buzz, from the discussions of various groups.
Make use of Google Reader
Set up RSS feeds for the Google searches about your company and products in social media sites. You can check the searches in various social networking sites using Google reader.