I was always curious about how Tay worked technically, since it was build before the Transformers era.

Was it based on a specific scientific paper or research?

The controversy surrounding it seemed to have polluted any search for a technical breakdown or a discussion, or the insights gained from it.

https://blogs.microsoft.com/blog/2016/03/25/learning-tays-in...

https://arxiv.org/abs/1812.08989