My Personal Informer is the application which will help you to track changes of context on various sites:
- Competitors' Web sites.
- On-line forums or blogs.
- News sites and portals.
- On-line auctions.
- Sites with photos of public people and news about them.
- On-line coupons with discounts or time-limited actions.
- Sites with job notices.
- Sites of manufacturers of a software with news about software and updates.
- and more...