If memory serves, it was around the time the mysterious project code named "It" and "Ginger" was revealed to be the epoch-making Segway, which we now design cities around. Some long forgotten "blog news" site linked to this thread. I was hooked in seconds.
Regular Deliveries of the Unheard Of
There are so damn many, but one that always stands out in my mind is vacapinta's Harry Stephen Keeler post. It was a well framed exposure to this glorious, ridiculous and completely new to me body of work that I never would have heard of otherwise, and it's a type of experience that I feel like Mefi has delivered to me on a regular basis for over a decade now.