These fields are booming these days. In order not to become rusty, one has to constantly follow the updates. Here is the essential guide on how to keep up with the important news/papers/discussions/tutorials. This guide is by no means an exhaustive one so contributions are truly welcome.
Connect to your local communities
Due to multiple reasons, there are various country-based communities. Connect to your local communities to participate in constructive discussions, raising questions, and local meetings.
The table above lists well-established communities committed/suggested by their members. Additionally, make sure to visit CITY.AI that organizes get-togethers to connect to your local AI communities (40+ cities available).
Arxiv Sanity: beautiful interface plus other features for interacting with arXiv
CatalyzeX: easily find open-source code implementations for papers (chrome extension and firefox extension also available that automatically find and show code for papers anywhere online)