Some say its a cool way to connect with friends you’ve made online, while others are concerned its an invasion of privacy. Check out deets from CNN about Facebook’s new “Stalking App”

(CNN) — Facebook appears to have quietly unveiled a new feature designed to let people see which Facebook users are nearby at any given time.

The company calls the feature “Find Friends Nearby,” and on Monday it was available through Facebook’s mobile apps and website despite the fact that it hasn’t been formally announced. The blog ReadWriteWeb already has dubbed the feature a “stalking app” because it could open people up to potentially awkward or threatening interactions with strangers on the social network who know you’re nearby.

To test out the feature, go to fb.com/ffn in a browser, or follow this path in the Facebook’s mobile apps: menu > apps > find friends > other tools > Find Friends Nearby.

It appears that Facebook users must opt in to the feature by going to that site, otherwise their profiles will not appear in a list of people who are nearby.