computer programs for embedding and detecting information in electronic signals, namely, digital data streams, and audio, video, audiovisual, and multimedia signals; encoders for embedding and transporting auxiliary data and information streams in digital data streams, and audio, video, audiovisual, and multimedia signals; decoders for recovering auxiliary data and information streams from digital data streams, and audio, video, audiovisual, and multimedia signals; computer programs for use in verifying the authenticity and integrity of electronic communications, communicators and content; integrated circuit chips for electronic communications; computer programs and algorithms for cellular telephony and wireless communications; set-top boxes for receiving television and audio programming; CDs, DVDs, flash memory, computer disks, tapes, optical storage media including HD-DVDs and high definition discs, magnetic storage media and digital storage media featuring music, voice, audiovisual, multimedia, and digital data streams together with embedded information