Blu-Ray and HD-DVD have been battling to become the dominant high definition video format. All of the major movie studios have signed with Sony (Blu-Ray's creator), making it the winner in this contest. But now Sony faces competition from downloadable movie options, including iTunes movie rentals, an Amazon/TiVo partnership, and a Panasonic DVR with removable portable viewer.

Trojan horses are not a new security threat, but recently there have been more targeted Trojan horse attacks. Rather than a single generic message, attackers will send messages tailored to make a specific person or organization open them. Malicious code in attachments on these messages will then find passwords or information and send it back to the attacker, which can be used on its own or to extort money from victims. This category of attacks has exploded and created a whole new vocabulary around spyware programs.

UnitedVisualArtists has created a number of striking, interactive art displays. In this interview, their head software developer Ash Nehru describes their creative process and the technology behind their exhibits.

This program was originally broadcast on IEEE Spectrum Radio.