It looks like the days for Flash memory could be numbered after research from the Arizona State University's Center for Applied Nanoionics (CANi) developed a new technique for storing memory.  The college claims this new technology, called the programmable metallization cell (PMC), could be 1,000 more efficient than existing Flash storage technology, which may lead to a significant increase in the capacity of portable devices ranging from digital cameras to laptops. 

Going by the University's publication, one significant difference with this technology is that it involves moving ions between electrodes as a means of storing bits of information (such as '0' for open and '1' for closed).  This results in significantly less heat production, unlike the traditional method of storing information that involves moving electrons between ions, thus allowing more information to be packed into a given space.

Unlike most other research into new methods of storing information, this technology involves the use of readily available materials by just changing the method how they are mixed in the chips.  PMC claims to have already received interest from several big companies including Samsung, Sony, IBM and Micron Technology.  The director of CANi expects the first commercial PMC based product to launch in 18 months and that PMC may supersede Flash in a couple of years.

It will be interesting to see what its archival life will be like, particularly when used in Digital cameras or laptops.  If the technology turns out to be cost effective enough and fast, it could even be another contender to mark the end of traditional magnetic storage based hard disks also. 

Further information can be read in this source PC World article.