How To Tell When A Robot Has Written You A Letter

From Clive Thompson:

A few weeks ago I got duped by a robot. In the mail.

I was sifting through my dead-tree postal mail and tossing junk in the recycling bin. Nearly everything that arrives in my mailbox is junk, so I was tossing, tossing, tossing … until suddenly, whoops: A hand-addressed letter. This looked legit, so I ripped it open — only to find it was an oily invitation to take out a second mortgage on my home. I’d been fooled... (cont'd)

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