Austin is a big city and there is a lot to do over eleven days. Whether you are in a band or out with a crowd, GroupFlier is just the thing to keep you all connected. If any member texts the group, everyone in the group will get it. Adjust group settings to broadcast your text to everyone while member's replies go only to you. Make an open group or a private one.
Make the most of your time. Create and join SXSW groups and exchange realtime updates about what is going on and were.
It's fast and free to create a group.