Agents are all around us.

$$
\begin{pmatrix}
50, 50 & 0, 100 \\
100, 0 & 0, 0 \\
\end{pmatrix}
$$
$$
\begin{pmatrix}
50, 50 & 0, 100 \\
100 - \color{red}{\epsilon}, \color{red}{\epsilon} & 0, 0 \\
\end{pmatrix}
$$
Tragedy of the commons.
With great power comes great responsibility.

$$1, 1, 2, 3, 5, 8, 13, 21,...$$