Early game logistic and construction bots. Recipes are just more expensive than regular ones, so eventually it's beneficial to research "proper" bots.
Mods introducing new content into the game.
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022