In the context pane, you may see various statistics for the current selection.

In Island View

When a playpen is selected, depending on its contents, various statistics may be shown.

Features

The number of custom series this playpen has, if any.

Plays With…

The number of other playpens the selected one builds on, and — if more than one — the number of other players’ influencing the shared thoughts.

Players…

The numbers of other playpens — and users, if more than one — building on the selected playpen’s ideas.

In Playpen View

Selecting a concept will show the number of its incoming and outgoing links, if any.