Brad Feld, writing about how to best be introduced to people online:

[Double opt-in email intros are] the best and simplest way when you know the person asking for the intro and think the intro would be a good one.

What follows is a short and simple set of rules for the etiquette of introducing people online. The whole post resonated with me, but the following lines stand out:

how about the situations where you don’t really know the person. In that case, someone is asking you to do work and use some social credibility in a situation where you don’t really know how much to provide.

I’ve been in this situation before, and it’s something I’m not comfortable with.

One of the challenges of life online is that we often have the illusion of familiarity with people who are, in fact, strangers to us. We read a lot from the person and so come to think we know him or her when we actually don’t. More to the point, they don’t know us. A brief interaction in Twitter, Facebook, or over email isn’t enough to establish a solid relationship.

Whether it’s acknowledged or not, being asked to make an introduction to someone is a way of transferring credibility. If I know you and you know me, and I ask you to introduce me to a third party that you know, you are implicitly vouching for that person. I’m happy to do this when I know and trust the two people being introduced, but not at all comfortable with doing it for people I barely know.

My reticence manifests most obviously in my approach to managing connections on LinkedIn. I’m more open than others with the connections I accept on that social network, but I do have a bar. I often get requests to connect with people I’ve only ever met through a single interaction via email, Twitter, or some other channel. This is a problem because LinkedIn provides formal mechanisms for people to reach other people through their connections. This chain of credibility is only as strong as its weakest links, and if all we’ve got is a single interaction online, then the connection isn’t strong at all.

Bottom line: please don’t be offended if you’ve asked to connect with me on LinkedIn and haven’t heard back. I have a higher bar than most for these connections — and you should too. In this age of cheap, quick connections, credibility and trust are more important and valuable than ever.

So how do you connect with people you don’t know? I like Mr. Feld’s common-sense approach. When his acquaintances are asked by people they don’t know well to introduce them to him, he recommends:

simply say “I think Brad is pretty easy to reach – his email is public – just send him a note.”

Yes, this means you’ll be starting from scratch. That’s fair. What’s not fair is asking an acquaintance to vouch for your credibility. And by the way, my email is public too; here it is.

How To Deal With People Asking For Intros To Me