It is now acknowledged that the low literacy rates witnessed in Morocco, and among women in particular, are a major barrier to the process of national socio-economic development.

UNESCO: Country Profile: Morocco

Another barrier would be scaling the process so that the self-assembled nanoscale data grids could be stamped onto a surface automatically.

FORBES: Nanotech

"It's meant to be a barrier-less, fun, interactive process, " says Austin.

FORBES: Surface Surfaces At AT&T

Preventing this process using an iron-free, corrosion-resistant alloy barrier is particularly important in a city like Boston, where the air is damp and laden with salt water.

ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt