 Yes, both sets of researchers told me that did. And keep in mind, Steve, when I say six days of learning for $1,000, there were lots of students in the U.S. who got a lot more than $1,000 each in school funding. So there is that difference, and it's bigger depending on where you look. So here's Stanford researcher Sean Reardon, who worked on study number one. It led to significant improvements in children's academic performance