Simulation Activity in Targeting Mode (Personalization in AEM 6.1)
The AEM 6.1 documentation page Authoring Targeted Content Using Targeting Mode says that
To simulate the visitor's experience, use the following tools:
The simulation Activity in Targeting mode: The page displays the offers for the user that is currently selected in Context Hub. You can edit the offers that target the user.
Where can I find the simulation Activity in Targeting mode?