This week we talked to Amanda Peyton from the startup Message Party, which was just released at  Y Combinator's Demo Day. Message Party is a new app that allows you create ad hoc location based chat rooms. We had a great conversation about the new app, Y Combinator as well as the location based social networking space.

This week talked to Amanda MacNaughton, the co-founder of CultureJam. CultureJam is the company behind PromoJam, a popular solution for running social media based marketing campaigns for companies, brands and artists. For the full show notes head over to This Week In. Also check out our fancy new This Week in Social Media iPhone app.

This week we spoke to Alex Iskold, the Founder and CEO of GetGlue. GetGlue is a social network built around entertainment. We had a great discussion about the service and how it delivers recommendations and builds an individual's "taste graph". For the full show notes head on over to ThisWeekIn.

This week we spoke with Kurt Daradics who is the cofounder of City Sourced. City Sourced provides crowd-sourced community driven reporting of community issues such as trash, vandalism, potholes as well as other items. We had a great discussion on crowd-sourcing as well as geo-location based mobile apps.

This week Erica O'Grady, CXO of Peanut Butter Media, was our guest. We had a great discussion about her social media "breaking in story" as well as her approach to leveraging the power of social media to empower businesses and develop a closer connection with their customers. The various projects that Erica is involved with including Twilight and Tea are quite interesting. I definitely recommend checking out the interview below.