Here’s what the student doesn’t know: Although she surfed the internet in the privacy of her home, Facebook saw much of what she did. Every single site she visited used the Meta Pixel ...

At one point, this tool was known as a Facebook Pixel. But since the technology company’s recent rebranding to Meta, the tool also underwent a name change and is now known as the Meta Pixel.

The Markup has discovered that large tax prep services like H&R Block, TaxAct and TaxSlayer have been sending users' sensitive contact and financial information to Facebook through the Pixel.