A new paper to add to the Papers section

[ethanator]

This paper is out.

6. [arXiv:1902.02671](https://arxiv.org/pdf/1902.02671.pdf), BERT and PALs: Projected Attention Layers for Efficient Adaptation in Multi-Task Learning, Authors: Asa Cooper Stickland, Iain Murray

[Jiakui]

done, thanks for your notice