I upvoted you and I'm the OP. I couldn't think of a better title that didn't span an entire line. ("Use Incognito Mode when using a friend's machine or risk ha

I upvoted you and I'm the OP. I couldn't think of a better title that didn't span an entire line. ("Use Incognito Mode when using a friend's machine or risk having your accounts stuck together"? Or maybe "Don't log into a Google account on a friend's machine without using Incognito"? It's a bit too late for me to edit, unfortunately.)