The recording industry is insisting its antipiracy campaign will refrain from taking legal action against small-time song swappers and will focus only on those copying "substantial" amounts of music via the Internet.

The Recording Industry Association of America (RIAA) pledged in a letter to U.S. Sen. Norm Coleman, R-Minn., that it is "in no way targeting de minimus users" in its campaign to stop the copying of songs without permission.

Read more: CNet News.