A neat glitch just appeared in my Gmail Inbox: one email’s previewed contents was incorrect, replacing a name with a different name from a previous email.

The preview above right mistakingly reads

Hi Ian, Cliff Anderson added you as a friend on Facebook.

and yet clicking through to the email reveals the correct

The name that is incorrect was pulled from the subject of the last email (from the same email address); the body of that same previous email is

This is an interesting bug because it provides an (accidental) glimpse into the advanced behind-the-scenes sentence parsing, structure analysis and (re)construction power just lurking under the surface here.