Some South By Southwest attendees leaving Austin today are having trouble getting through airport security because gift bags given by the conference can't be read by the TSA's bag scanners.

An Austin airport spokesman, Jason Zielinski, told Business Insider that the TSA has to go through and manually search the checked gift bags before they can be loaded on the plane, causing delays. Zielinski said the TSA scanners can't properly penetrate the density of the gift bags.

Earlier today, people trying to depart the Austin airport said their gift bags were triggering bomb scanners at the airport. That doesn't appear to be true.

Here's what people were saying on Twitter earlier today: