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Re:Tracking the WhatsApp habits of random smartphones by luckylion on Wednesday April 21, 2021 @09:46AM (#26889608)
> But.. a company like Facebook should know better. It seems they just don't care.

I agree 100%. If it was a simple hobby project that somebody had hacked together, I'd agree that it might be easily overlooked. When you have thousands of people supposedly working on making privacy a priority etc: not so much.

Re:Tracking the WhatsApp habits of random smartphones by throw_away789 on Wednesday April 21, 2021 @09:49AM (#26889649)
I think its deliberately kept open. There are 100s of apps in play store that can help in predicting if 2 people in your contacts are in conversation.

People like keeping watch on others and Facebook is exploiting that.