In such tough economy, one needs to be creative to survive. Just ask AdultVest, an adult entertainment company who tries to flog its iPorn mobile Web application for the iPhone.

Not content to let its bikini-clad publicity stunt last week speak for itself, adult entertainment industry-focused hedge fund AdultVest has put out a press release, complete with photos of its sexy spokesmodels enticing attendees at an Apple developer's conference in San Francisco.

Seen here are five 'iPorn Girls' attending Worldwide Developer's Conference: