Catalogue record · hackernews
Press a key and a reaction plays on your camera for everyone in the call: Caught in 4K, Could've been an email and 231 more. Free for Google Meet, Zoom and Teams.
On Air 让你按键触发视频反应，适用于 Google Meet、Zoom 和 Teams，直接在视频通话中展示。
Seen on hackernews · last checked 2026-10-26.
The teardown — how it actually charges, which mechanism was found, and the seam worth taking — is in the daily letter. This page carries the record and the signals so search engines and link previews have something real to read; the judgement stays with the readers who asked for it.
Get the daily letterThe same record sits in the full catalogue, where every entry can be searched and filtered by the signals above.