On examples page, the following links to colab noteboks are dead: * https://colab.research.google.com/drive/1N1mxOy2oX7bEGtPy7Ztshrs4Fs_7lBpV?usp=sharing * https://colab.research.google.com/drive/1BOzTyBjpCbAJ6PMJi0GS55shuaMu72h5?usp=sharing * https://colab.research.google.com/drive/1atTQFk4eK_SKImHofmEXIfoN9oAP1cJb?usp=sharing
