Since then,holograms have become bigger, better and more widely used.

VOA: special.2010.11.15

Whether the scanners are adopted more widely and how they are used, will likely be prime topics of discussion at congressional hearings expected early next year.

VOA: standard.2009.12.30

But technology expert Rob Atkinson says smartphones will most likely not be widely used in many developing nations because of their cost, and the cost of connected on-line data plans.

VOA: standard.2010.06.25