Great post, and I think it's fascinating - and a valuable PR lesson - how the Twitter co-founders announced the Summize acquisition via Twitter (no press release tactics needed), letting those who follow them build the buzz. Evan Williams' "Holy Crap" Tweet at 9:01 am on July 15 set off the chain of events.
Great information here and thanks for sharing a good pitch. As the Seth revelation appeared and the conversation turned, I guess the lesson for pitching is to pick one blogger, send out that personalized email and then wait. If the blogger is interested, good for you. If no response (or a decline), pick another and repeat. One at a time. Multiple similar emails = spam.
So far I've learned she's about to head out on a Starbucks run and that she loves Green Tea Vitamin Water. Whoa! That places me in social media guru status.