Would you mind expanding on this a bit? I think I understand the reluctance to trust LinkedIn on this (their website is all about getting folks a job, so they

Would you mind expanding on this a bit? I think I understand the reluctance to trust LinkedIn on this (their website is all about getting folks a job, so they have a clear incentive to get you to job hunt (ideally through them) ). I'm not clear what Stackoverflow's incentive is here?