Here to add another layer of dread ahead of the upcoming tax season, The Markup reported that some of the biggest online e-filing services—unbeknownst to millions of users—have been sharing sensitive user financial information with Meta.The Markup published the data sent to Meta by these companies, which it confirmed was sometimes generated and shared “regardless of whether the person using the tax filing service has an account on Facebook” or other Meta service.Meta provides the Meta Pixel as a code that businesses can customize and embed on their websites to gather information to help businesses improve targeted marketing campaigns on Meta platforms.The Markup asked the Internal Revenue Service to verify whether tax preparers sharing sensitive financial information with Meta violated IRS regulations, but the IRS declined to comment.Tax-filing services respondH&R Block spokesperson Angela Davied told The Markup that the company would be reviewing the information revealed by The Markup."