Once in awhile, you come across a startup that jumps out because it’s such an interesting concept.

BackType falls into this category. Dubbed the “Twitter of Comments”, BackType lets you follow people who leave comments on blogs, as well as search for comments about people, trends, companies, etc.

The reason it’s so intriguing is I’m trying to figure out which feature will resonate more with users. To me, search should be the “killer app” because it’s such a fertile opportunity that you could easily see many people use to gather information, entertainment, etc.

In the wake of BackType’s successful debut, I fired off five questions to co-founder Chris Golda about the company and his involvement - along with co-founder Michael Montana - with Y Combinator.

1. Can you talk about the origins of BackType? What opportunity did you see and/or problems you’re looking to solve?

Our last start-up, IPartee, wasn’t doing well so we decided to come up with something new and apply for Y Combinator. We spent a week thinking about problems we’d been experiencing and existing sol