Q) I can't see anything?
A) By default, indicators are only visible in alt-mode. A new game would be expected to have that off. Turn on alt-mode view or tick the setting in Mod settings -> Map
Share player selection and "opened" activity to other players. (ALT-MODE VIEW or change setting so it is all the time). MAIN FUNCTIONALITY IS IN FACTORIO 2.0! INTERFACE -> "Show multiplier selection rectangles"
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
Q) I can't see anything?
A) By default, indicators are only visible in alt-mode. A new game would be expected to have that off. Turn on alt-mode view or tick the setting in Mod settings -> Map