They used Guidebook.
And they can't stop raving about it.

“It enables me to give my attendees a better user experience… and my on-site team can do what they need to do versus constantly answering questions.”

“As a company, collaboration and coherence are important to us, and the mobile apps help us to keep driving towards those goals. We’re thrilled with adoption rates and excited to see what other use cases our employees dream up.”