South-Korean product designer Hanyoung Lee has come up with a safety device that could make traffic lights obsolete, or at least improve their effectiveness. His so-called Virtual Wall is designed for busy city streets.

Instead of showing a red light when it's time for pedestrians to cross the street, Lee's Wall projects a curtain-like, two-dimensional image of giant people crossing the street. The real pedestrians walk behind their virtual counterparts.

Gamers desperate to get their hands on Grand Theft Auto IV today are being targeted by record amounts of spam offering free entry to a competition to win PlayStation 3s and the much lauded game.

However, these illicit emails actually contain spyware and “Trojan Horse” viruses intended to steal personal financial information and attack victim’s computers.

Conventional wisdom has it that search engines are more interested in substance than style - content rather than looks. But a patent application by Yahoo may turn that notion on its head. The US search giant, currently fending off an unwanted approach from Microsoft, is considering how best to take into account the layout and design of a web page, not just its content.

Spam may be big business but getting yourself noticed as a company who can help fight the spam onslaught is hard, even if you guarantee to block 100% of all spam.

For Clear My Mail though helping an iconic music star promote his greatest hits album seemed too good an opportunity to miss.

Uploading a few simple storyboard messages to Dylan Messaging, UK based Clear My Mail have a ready-to-use viral video of music legend Bob Dylan promoting their spam blocker (and of course his own new album).

Rice University’s national competition to find the brightest young entrepreneurs was sponsored by Fortune Small Business for the first time this year and while the sponsor was new, the quality of entrants matched previous years.

The winning entry ‘Death to scalpers’ took home the first prize of $327,000 for their idea to transform secondary concert ticket sales.

Team members Andrew Mills, Barry Kahn and Jitendra Dalvi from the University of Texas have developed a software application to compete head-on with established companies such as Ticketmaster and eBay’s StubHub. The software will turn a primary seller’s e-commerce website into an electronic market to handle primary and secondary ticket sales.