recent case of Kelly Blazek makes clear, it's not always so clear cut. Blazek responded to a blind connection request with what many felt was an inappropriate amount of fury, finishing her message with "don't ever write me again." On the other hand, as anyone who's ever weeded through an overflowing inbox on LinkedIn can attest, the sheer volume of requests from strangers can be overwhelming -- and worse, defeat the purpose of joining the network in the first place.

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