Twitter Users to Meet Offline for Good Cause

Plus, Hall said, Twitter is eco-friendly.

"We are trying not to use printed material and are telling everyone to take the DART rail to Mockingbird," Hall said.

According to twestival.com, the idea to use Twitter to organize a charity event came from a group in London.

In September, the group decided to host an event that would benefit a local homeless charity and connect the local Twitter community, many of whom had never met.