Like me, have you received email invitations like these?
> I’m using LinkedIn to keep up with my professional contacts and help them with introductions. Since you are one of the people I recommend, I wanted to invite you to access my network on LinkedIn.
>
> Basic membership is free, and it takes less than a minute to sign up and join my network.
I’ve received well over 35 invitations like this, worded almost precisely the same way. The senders have acted surprise…