Boston Dynamics releases a video of Atlas performing a backflip. The clip goes viral and redefines public perception of what humanoid robots can physically do.

DeepMind publishes AlphaZero, a single algorithm that masters chess, shogi, and Go from scratch. It demolishes Stockfish in chess and sets a new paradigm.

Google Research releases BERT, a Transformer-based pre-trained language model. BERT dominates GLUE benchmarks and reshapes NLP for the next two years.