Theme	Study Findings	Design Implications
What kind of messages do people send in AR communication?	People crafted experiences that recalled shared memories and created funny moments.	Support immersive storytelling in the physical world.
	The limited variety of AR content restricted senders' options.	Explore better content creation tools for everyday, in-the-moment use.
	People found that AR enabled them to describe objects that are hard to do via other media.	Embed additional signals for a multi-sensorial communication experience.
How do people perceive and use triggers for AR messages?	People personalized their AR messages using triggers, but doing so had privacy implications.	Understand how much information recipients are willing to share with others.
	People used multiple triggers to increase their scheduled messages' deliverability, but some of them still did not trigger.	Give senders greater control over how to personalize immersive messages for recipients.
What makes AR messages immersive, and what concerns arise?	People were sometimes startled by the sudden projection of AR experiences.	Make communication immersive without startling or taking over.
How and why do people react to AR messages?	People continued the story or conversation via a reaction video and wanted more control over it.	Achieve both authenticity and control.