On 22 April, I wrote the creators of WiseStamp, a Firefox add-on which allows you to create email signatures for your email services, without having to use the “Include a Signature” feature in your webmail.

I wrote them, asking if they would be allowing users to add in their own social services, like Plurk, in the signatures. At that point in time, they’d pretty much covered everything, in addition to MSN, Google Talk and Skype. But since Plurk is part of my social media portfolio, I really wanted to be able …