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The app, which is owned by Facebook, has two billion active users, many of which have already had a pop-up message asking them to agree to new terms.
The notification states that failure to agree with the changes by 8 February will result in the user no longer being able to use the app.
The message gives the user a chance to either click 'agree' or 'not now' - but does not let them decline the changes.
In the small print, it states that the cut-off date for agreeing to the terms is 8 February - any later and you won't be able to access the app until you agree.
They added that WhatsApp does not share EU users' data with Facebook for the purposes of improving products and targeted advertising.
WhatsApp tells you about what personal data they keep on you in the terms and conditions that you were supposed to read when you signed up, but who has the time to do that, right?
Now, the folks behind the iPhone - and crucially iMessage - have shone a light on the information apps are actually grabbing from you.
On 14 December last year, Apple introduced new privacy labels that explain what data every app in the App Store is harvesting from you.
When you look up an app, a label is shown that tells you exactly what data it will collect. This includes Apple's own products.
According to that, WhatsApp takes info such as contacts and location from you.
It could also get hold of your email address, financial information, phone number, and user content. That could all be linked to your identity.
Before Apple's scheme was rolled out, WhatsApp criticised it for being too vague.
The company said it doesn't tell the full story and isn't representative of how far the developers have gone to ensure that personal information is protected.
It said: "While providing people with easy to read information is a good start we believe it's important people can compare these privacy nutrition labels from apps they download with apps that come pre-installed, like iMessage."
Featured Image Credit: PA
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