[Air-L] Studies of graphics in e-mail signatures

Does anyone know of studies of e-mail signatures that use graphics? I searched the list archive and didn't quite find a venn diagram intersection between graphic and e-mail signature. Peter Timusk B.Math statistics. BA legal studies Legal studies of the Information Age School work blog http://notebook.webpagex.org <http://notebook.webpagex.org/> Some papers www.webpagex.org <http://www.webpagex.org/>