Sometimes it's better to say no to those hard-to-resist Facebook quizzes and apps. One such app, "Most Used Words," is so invasive that it's making people more aware of hidden third-party intrusions, according to the Daily Mail.

The "Most Used Words" app is an interesting idea - a look through a person's Facebook account to see what words her or she has a habitual connection with. The only problem is that the answer comes at the cost of the user's privacy.

The app not only strolls through your personal information, including statuses and everything you've ever liked, but it gets your personal info, IP address and browser information, too, among a long list of other things.

The app is just one of many apps not affiliated with Facebook that get into users' personal info, all with their consent.

More than 16 million people have signed over personal data, according to Comparitech.

The company that uses "Most Used Words" is called Vonvon and is using tricky terminology to access tons of data. This data could be sent anywhere, and due to the wording of the agreement you have to agree to, it might have the right to send the data to different businesses or agencies for a profit.

"...We do not share your Personal Information with third parties unless We have received your permission to do so, or given you notice thereof (such as by telling you about it in this Privacy Policy)...," according to a privacy policy snippet pulled by WGN TV.