Missing a special accented character? Want to create your own custom bullet? Need a logo as a font? Here is a script that could be useful: create your own font, right from within InDesign. IndyFont converts the vector art in an InDesign document straight into a real OpenType font, which you can use in InDesign itself but also in all other software that supports OTFs.
Download the One-Character Demo from http://www.jongware.com/binaries/indyfont_demo.zip, unpack and copy it into your User Scripts folder. Run the script once to set up a font template, draw your custom character -- the default is a bullet --, then run the script again to convert it to an OpenType font.
Change the font name to "A Donut bullet" (the actual font name will be prefixed with "IF"):
... draw a donut ...
Look! A new font!
(Uh. I realize those instructions are a bit concise. For starters, there's really nothing more to it -- but IF has a fair lot of rather advanced options as well! I guess at some point a Full Manual could be useful. For the moment, feel free to experiment 
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DISCLAIMER: Tested with CS4 and newer, on Windows and Apple OS X. Nevertheless, Your Mileage May Vary.
The free One-Character Demo is limited to exporting just a single character. The font name will always be prefixed with "IF". Full version release date, pricing and ordering information to be announced.