In case you find Attention (and specially transformers) interesting I have some saved links introducing the topic:

http://www.peterbloem.nl/blog/transformers

https://nostalgebraist.tumblr.com/post/185326092369/the-tran...

https://papers.nips.cc/paper/7181-attention-is-all-you-need....

http://jalammar.github.io/illustrated-transformer/

https://arxiv.org/pdf/1807.03819.pdf