The growth of the Internet has put pressure on traditional intellectual property protections such as copyright and patent. Some forms of information, when made accessible on the Internet, are easily copied. Because the costs of copying are low and because copying is often anonymous, publishers have often responded with more aggressive enforcement of existing intellectual property rights and with calls for extensions of those rights to cover additional content, new media and new forms of access. This effort can actually be seen as part of a twenty-year trend toward tighter intellectual property enforcement and extensions of intellectual property rights. Yet this response and this trend toward.
