Do you have a business or product idea that you want to share with the world? Are you interested in collaborating with other creative minds like your own? If so, the Techstars Startup Weekend is the event for you. Featuring a competitive 54-hour event, teams will spend the weekend developing a prototype, demo and pitch presentation by Sunday evening. HTC Aspire HUB, 509 9th Ave N., Friday-Sunday. www.techstars.com