We are moving upstream and looking at the source of the spam problem, and it is obviously the zombies.

This was a pretty astonishing number for us. We knew that it would be a high volume, but this was an even greater volume of spam than we had anticipated passing through one computer.

We should concentrate on the outbreak in birds. Go upstream and contain it at the source.

The problem is that the line's got to keep moving.

The p11 is upstream of the receptor, and now the question is what is upstream of the p11.

My mom obviously had a problem.