From Fedora Project Wiki

In order to get Ambassadors updated on the Fedora 27 news and for being ready for replying to the questions people could submit during the events, Ambassadors are invited to read these pages carefully:

Talking Points

Release Announce

In order to get an overview about how editions appear:

Screenshots

For the general availabilty of informations and features, don't forget to read and suggest them as reading:

Fedora Community Blog

Fedora Magazine