On this week's PrairieCast Andy Brudtkuhl and I were joined by guests Emma Peterson of Tikly and Alexander Grgurich of Foundry Coworking and TEDx Des Moines.

Discussed this week

• Zaarly adds Arrington to investor list, sets sights on seven core cities
• Dwolla hits $1M a week in transactions, Iowa usage surpassedDwolla hits $1M a week in transactions, Iowa usage surpassed
• Brace yourself: SPN2K is here
• It’s social. It’s music. It’s Turntable, and it’s taking startups by storm.
• VolunteerLocal streamlines process for organizers and ‘happy volunteers’

PrairieCast is a live podcast, recorded weekly, that features round table-style discussion of the top issues in startup culture and technology from across the Silicon Prairie region. Co-hosts Andy Brudtkuhl of 48Web and Geoff Wood of Silicon Prairie News are joined by a diversified group of entrepreneurs and others making an impact in the startup community.