>> the austin festival is not just for music hot bed but for innovation. ♪ >> reporter: twitter, and many other text sensations made early big splashes here. so during this year's festival, cnn.com invited innovators from around the country to pitch their ideas during a short ride in a pedicab. >> i'm max mullen and i worked on something called bouncer and you can shorten, share, and protect your e-mail address. >> i'm alison aidal and i'm with fly by miles. booking frequent flyer tickets are a nightmare so we decided to solve that problem by having real-time availability of frequent flyer seats and book it through our site. >> i'm dylan and representing trip relief. we make tourism available to everyone. >> reporter: this is more than just interesting. this town, and a growing number of others have realized the relatively low investment, high return possibilities of tech can