#5148
If a website has a Feed/RSS function, it can tell us whether a website/webpage has been updated or not. Conversely, if some sites don't offer or turn off the RSS functionality (this has become a trend), you can use some online tools or PC software such as Website-Watcher to meet the same requirements, without having to do that manually through a web browser.

#3587
Monitoring a folder has two primary purposes: For common users, you can use it to protect the security or privacy of files in some folder; For advanced users (especially portable software makers), that can help you completely control over what a software do to your computer.