Inventions: Evolution of Ideas

No — only citizens in the Home (standing) space are available to deploy; exhausted citizens (lying down) cannot be used until they return home at the next Era Change. (p.9, p.22)

Presenting puts an Idea card into a Region and requires specialists to present it and then refills the Idea display; Inventing flips a presented Idea to its Invention side if you have access to the required Milestone and you move/exhaust required specialists and take a technology Aspiration; Sharing an Invention scores the presenter for each presenter citizen, moves the inventor's card to their board, lets an innovator add a citizen to the map, and gives the sharer a Wealth or wild Aspiration tile. (pp.12,13,15)

After you place or move a pillar and perform your main action (Step 2) you may perform prepared Chain Actions by placing Chain Action tokens next to a card's Chain Action icon; Chain Actions use the same action steps as main actions and are limited by your available Chain Action tokens and any special restrictions (e.g., Technology tile use). (pp.11,16,9)

You have access if the Milestone is in a player's Private display (yours, an opponent's where you have a citizen, or an opponent's from an era earlier than Chronos' current era), or if the Milestone is in the Common Knowledge display or discard. (p.13)

The presenter scores IP equal to the invention's era for each presenter citizen to the left of the card; the inventor moves the invention to their board; the innovator may add a citizen from their supply to the map; then all citizens that were beside the invention are moved onto the matching map region. (p.15)

You may build up to (your Milestone era − 1) tiles in the Build Progress step; before building you pay an influence cost based on how many tiles are in your tiles display (4 tiles = 0 influence, 3 = 1, 2 = 2, 1 = 3), and each tile then requires exhausting specialists to place. (p.21)