▪ Recurrent Neural Network ▪ Vanilla RNNs ▪ Some RNN Variants ▪ Backpropagation through time ▪ Gradient Vanishing / Exploding ▪ Long Short-term Memory ▪ LSTM Neuron ▪ Multiple-layer LSTM ▪ Backpropagation through time in LSTM ▪ Time-Series Prediction