As of September 2, Panel Picker voting is closed. You can, however, still leave comments on the proposals you find interesting. We will announce the first set of accepted panels on Thursday, October 2. Stay tuned to the SXSW Interactive Festival website for these announcements, or e-mail us if you have questions.
Large software companies (Google, Apple) as well as startups (Facebook, Wordpress) have built platforms for people to create widgets / gadgets. Even Firefox was built to promote third-party hackery from Day One. Should you invest your time and money to build apps for these platforms?