Letterboxd for iPhone mentions (0)

Sift mentions (3)

• Warning about centre com

  They may be using something like Sift for security checking and something of yours was flagged. Source: over 1 year ago

• Does this idea exist? Thought? Any legal implications?

  But sorry to break it to you, this has been done at a really large scale already although most consumers are not aware. One big player here is https://sift.com/ Almost every major retailer uses their service exactly for the reasons you mention. Source: almost 3 years ago

• LPT: You have a secret 'consumer score' that acts like your credit score; You can be denied the ability to return products, charged higher prices than other people, and more, all based on this score.

  Reddit, for one. A pretty big list on their homepage. Source: almost 3 years ago