More on Ioun Stones and wayfinders?

[Datdude]

The sidebar on Wayfinders in the Journal of Eando Kline it says that

Sidebar wrote:

In addition, all wayfinders include a small indentation designed to hold an ioun stone. While still granting the bearer their normal benefits, stones slotted in this manner frequently reveal entirely new powers due to the magic of the wayfinder itself.

Does this mean there will be more information on the effects of ioun stones will be put out at a later date or does it mean that the effects are open to interpretation by the DM? I love toys and this is the best new toy I have read up on in a long time.

[Mike McArtor]

Datdude wrote:

Does this mean there will be more information on the effects of ioun stones will be put out at a later date or does it mean that the effects are open to interpretation by the DM?

Um... yes... ?

I imagine there will be more in the campaign setting hardbook, but don't quote me on that.