Updated at 5:11 p.m. ET
The Supreme Court heard arguments Tuesday about whether emails stored overseas are subject to a U.S. warrant. It all revolved around a 1986 law, five years before the "World Wide Web" even existed.
It was the cloud and robots meet Marty McFly.
And the justices didn't seem to be buying arguments from Microsoft, an American tech company headquartered in Redmond, Wash., which is trying to protect the data.