As per my knowledge is concern no tracking tool is there. You can go for Social Media Optimization. Participate the social media website, talk about your product / brand, look for the votes / opinions.
You could always search for backlinks in Google or other search engines, to find out if you are being talked about in blogs or other sites.
Setup 'Google Alert' for your brand. Here's how: http://www.andy-morley.co.uk/google-alerts/tracking-your-brand/ Code (markup):