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Sunbird beta to relaunch and rejuvenate iMessage for Android

https://www.androidheadlines.com/2024/04/sunbird-beta-to-relaunch-and-rejuvenate-imessage-for-android.html

With a failed attempt early in 2022, Sunbird beta will relaunch soon with newly added features and better security.

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In the US you either had unlimited SMS or no SMS plan at all, in which case you got charged for every single message, sent or received. But I remember having unlimited SMS as early as 2003.

If you had no SMS at all then you certainly didn't have a data plan, which ruled out WhatsApp entirely.