credit firstlook

tsa/howto/conference.mdwn

@@ -245,6 +245,9 @@ anadahz setup BBB using a [ansible role to install BBB](https://github.com/n0emi
 
 ### Rejected alternatives
 
+This list of alternatives come from the [excellent First Look
+Media](https://tech.firstlook.media/how-to-pick-a-video-conferencing-platform) procedure:
+
  * [Apple Facetime](https://support.apple.com/HT204380) - requires Apple products, limited to 32 people
    and multiple parties only works with the very latest hardware, but E2EE
  * [Cisco Webex](https://www.webex.com/) - non-opensource, paid, cannot be self-hosted, but E2EE