http://en.wikipedia.org/wiki/USB_mass-storage_devi ce_classhttp://en.wikipedia.org/wiki/Picture_Transfer_Prot ocolhttp://en.wikipedia.org/wiki/Media_Transfer_Protoc olhttp://www.piriform.com/recuvahttp://www.cgsecurity.org/wiki/PhotoRec + http://www.cgsecurity.org/wiki/TestDisk, atd...