I can't resist checking out the details of anything that Google might describe using the phrase "Large-Scale". As much as I'm interested in the nuts and bolts

I can't resist checking out the details of anything that Google might describe using the phrase "Large-Scale". As much as I'm interested in the nuts and bolts of their solutions, I'd also be very interested in the problems that become solvable with quick factorization of matrices with billions of rows.