Update README.md

README.md

@@ -93,6 +93,7 @@ A collection of research papers, codes, tutorials and blogs on ML carried out in
 * [Practical Secure Aggregation for Federated Learning on User-Held Data](https://arxiv.org/abs/1611.04482), preprint
 * [Federated Learning: Strategies for Improving Communication Efficiency](https://arxiv.org/abs/1610.05492), preprint
 * [Federated Optimization: Distributed Machine Learning for On-Device Intelligence](https://arxiv.org/abs/1610.02527), preprint
+* [Communication-Efficient Learning of Deep Networks from Decentralized Data](https://arxiv.org/abs/1602.05629), preprint (first FL paper by Google)
 ### 2015
 * [Privacy-Preserving Deep Learning](https://www.comp.nus.edu.sg/~reza/files/Shokri-CCS2015.pdf), ACM SIGSAC 2015