Over the past few years, both virtual and hybrid events have grown in popularity. And for good reason! These events allow a much wider range of people to attend, including: 
By offering hybrid and virtual events, presenters can not just bolster attendance, but improve learning and increase engagement among a wider audience.
However, that all comes with a big "BUT". There are plenty of ways hybrid events can go wrong. At best, they can be ineffective and not reach part of your audience. At their worst, hybrid events can be an actively worse experience for attendees than a fully in-person or a fully virtual event. Knowing how to effectively design hybrid events for two audiences, how to identify common issues with such events, and how to address such issues early on before they snowball can help ensure your hybrid event is successful and reaches both online and in-person attendees.
Creating Accessible Online Instruction Using Universal Design Principles by 
Instruction in Libraries and Information Centers: An Introduction by 
