There’s no blanket formula for how to treat these invitations. Here are some strategies. “I personally get several requests where there’s no mutual connections, no note. I’m just left wondering who ...
You can send an InMail on LinkedIn by messaging someone you're not connected to, using either the website or mobile apps.
It happens to a lot of us. A new LinkedIn connection request pops up without a note, a message, or a reason. Perhaps the person shares a few mutual connections, but they’re essentially a stranger.