Original sentence: Several matrix sites have been shut down due to overwhelming legal fees defending lawsuits, such as the legal action taken against the grandfather of the matrix site, EZExpo.Supporters claim that additional revenue streams from advertising are used to keep the lists moving, but since the key for keeping the list moving is new members, not money, this does not work.The legality of matrix schemes is still unclear.The rewards for those at the top of the matrix list are usually high-demand consumer electronics, such as portable digital audio players, plasma and high-definition television sets, laptop computers, and cellular phones.Trading Standards office have issued warnings to the public about the sites.Unlike most pyramid schemes, a side product is delivered to each newcomer in the course of the enrollment purchase
Edited sentence: Furthermore, the Oregon Attorney General, Hardy Myers, has examined the business model and deemed it to be legal.Several matrix sites have been shut down due to overwhelming legal fees defending lawsuits from a certain group which drain their cash reserves, such as the ultimately dismissed legal action taken against the grandfather of the matrix site, EZExpo.The courts have ruled in favor of EZExpo on numerous occasions, though opponents to EZExpo have launched a number of appeals to these rulings.The legality of matrix schemes is still unclear according to critics, but the courts disagree.The products involved with a matrix list are usually high-demand consumer electronics, such as portable digital audio players, plasma and high-definition television sets, laptop computers, and cellular phones.They are often rebuffed, however, by supporters pointing out additional revenue streams from advertising are used to keep the lists moving.Trading Standards office have issued warnings to the public about the sites as some are scams, but have deemed them to be legal if run correctly.Unlike a pyramid scheme, a side product is delivered to each newcomer in the course of the enrollment purchase