Name:Distill Web Monitor (Free)
Description:Tool to monitor web-pages for changes
Utility:This free tool –
Same add-on for Firefox -https://addons.mozilla.org/en-US/firefox/addon/distill-web-monitor-ff/
The tools and techniques mentioned will primarily help the LEAs. However, like any other tool be it phone or even pen, they can potentially be used for both constructive as well as destructive ends. We hold no liability for mis-use of any of the tool.