How to effectively market a blog aggregator

If you're Kinja you release your product and then start reading blog entries about your product, like my post about Kinja yesterday. If you are really smart, you (or someone that you have hired) to do so) take note of what is being said and respond directly to the author either via the comments function on the blog or via e-mail.

Here is the text of an e-mail I received following my post:

Hey, interesting post, and we're looking into the OPML import issue.
Thanks for bringing the problem to our attention.

Do let us know the address of your public digest. We're going to run a
spotlight digest feature, and I'd love to include yours. We might also
develop a business topic, if there are enough sites to provide a good
mix.

Regards

Nick

That is how you service the customer, get the customer to say great things about your service, and ensure that the customer returns to do business with you. And hey, I get the free prize of possibly having my digest "spotlighted" on the site.

Job well done!