Internet Security essays

Internet Security essays In the recent past a well known and widely used internet utility known as Napster was ordered to discontinue all of their activities due to copyright violations. Napster was and still is an internet music sharing service and was one of the most popular such services. The company existed to allow people across the country and even around the world to share .mp3 files with each other. However as the company became more and more popular they came more and more into the eye of the record companies and artists whose music was being traded freely across their web service. This attention resulted in a court case and eventually the temporary shutdown of Napster. It also has lead to the future state of the music service, as they will reopen for business later in this year, however will now be charging for access. This entire dispute came about due to copyright infringement laws and the breaking of them over the net, however, as can be easily seen, Napster had existed for a long time bef ore these charges were brought up, and even now many alternatives exist. The only difference is the relative size of the alternatives compared to Napster. Yet these other alternatives continue to exist without punishment. The question that I will answer here has a powerful bearing on the lives of these sites, as well as on the lives of most people in this country. That question is Should there exist a government run bureau whose sole responsibility is to police the Internet to keep crimes such as these, no matter how trivial, from occurring? My answer to this question, is no. I have many reasons for the answer that I have provided to this very controversial question, however, I will only be able to address a few of those reasons here. First and foremost of these, however, is a very obvious reason, the issue of privacy. Privacy has been a concern when enforcing the law for most of the history of our country. Privacy is the reason that w...

Fun Facts About Thresher Sharks

Fun Facts About Thresher Sharks Are you ready to learn a few thresher shark facts? There are several to share about this popular type of shark. The most notable feature of thresher shark is the long, whip-like upper lobe of their tail, which is known as the caudal fin. In total, there are three species of thresher sharks: The common thresher (Alopias vulpinus), pelagic thresher (Alopias pelagicus) and the bigeye thresher (Alopias superciliosus). What a Thresher Shark Looks Like Thresher sharks have big eyes, a small mouth, large pectoral fins, first dorsal fin, and pelvic fins. They have a small second dorsal fin (near their tail) and anal fins. Their most noticeable characteristic, as noted above, is that the top lobe of their tail is unusually long and whip-like. This tail may be used to herd and stun small fish, upon which it preys. Depending on the species, thresher sharks may be gray, blue, brown, or purplish. They have light gray to white coloring below their pectoral fins. They can grow to a maximum of about 20 feet in length. These sharks are sometimes seen jumping out of the water and may be confused with other marine mammals. Classifying the Thresher Shark Here is how the thresher shark is scientifically classified: Kingdom: AnimaliaPhylum: ChordataClass: ChondrichthyesSubclass: ElasmobranchiiOrder: LamniformesFamily: AlopiidaeGenus: AlopiasSpecies: vulpinus, pelagicus or superciliosus More Thresher Shark Facts A few more fun facts about thresher sharks include the following: Thresher sharks are widely distributed across the worlds temperate and subtropical oceans.Thresher sharks eat schooling fish, cephalopods, and sometimes crabs and shrimp.Thresher sharks reproduce each year and are ovoviviparous, meaning that eggs develop inside the mothers body, but the young are not attached by a placenta. The embryos feed on eggs in the uterus. After nine months of gestation, females give birth to two to seven live young who are three to five feet long at birth.According to the International Shark Attack File, thresher sharks are not commonly involved in shark attacks.NOAA estimates that populations of Pacific thresher sharks are above target levels, but lists the status of common threshers in the Atlantic as unknown.Thresher sharks may be caught as bycatch and hunted recreationally.According to the Florida Museum of Natural History, thresher shark meat and fins are valuable, their skin can be made into leather and the oil in their liver can be used for vitamins. Sources: Compagno, L., Dando, M. and S. Fowler. 2005. Sharks of the World. Princeton University Press.Jordan, Vaness. Thresher Shark (Online). Florida Museum of Natural History Icthyology Department. Accessed August 8, 2011.NOAA. 2011. FishWatch: Atlantic Common Thresher Shark (Online). NOAA. Accessed August 8, 2011.NOAA. 2011. FishWatch: Pacific Common Thresher Shark (Online). NOAA. Accessed August 8, 2011.World Register of Marine Species. 2011. Thresher Shark Species List. Accessed August 8, 2011.