President Donald Trump. AP Photo/Andrew Harnik Republicans have made a big decision about the future of your online data — and many people aren't happy about it.

On March 28, Congress voted along party lines to kill a set of rules adopted by the Federal Communications Commission in October that would've forced your internet service provider, or ISP, to ask you before it collected certain personal information. In both chambers, most Republicans voted to repeal the rules, while Democrats voted against.

The joint resolution that enacts those changes, S.J. Res. 34, was presented by Republican Sen. Jeff Flake of Arizona and cosponsored by 24 other Republicans.

President Donald Trump signed the resolution on Monday night, turning it into law.

So does this mean your ISP now has free rein over everything you do online? Yes and no. But the rollback could also lead to a more fundamental change in how the internet is run. Here's a rundown of what's happened and what it means for you.

Read on to learn how the repeal of the FCC's privacy rules will affect you — or jump ahead to see: