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Web Hosting - The Internet and How It Works In one sense, detailing the statement in the title would require at least a book. In another sense, it can't be fully explained at all, since there's no central authority that designs or implements the highly distributed entity called The Internet. But the basics can certainly be outlined, simply and briefly. And it's in the interest of any novice web site owner to have some idea of how their tree fits into that gigantic forest, full of complex paths, that is called the Internet. The analogy to a forest is not far off. Every computer is a single plant, sometimes a little bush sometimes a mighty tree. A percentage, to be sure, are weeds we could do without. In networking terminology, the individual plants are called 'nodes' and each one has a domain name and IP address. Connecting those nodes are paths. The Internet, taken in total, is just the collection of all those plants and the pieces that allow for their interconnections - all the nodes and the paths between them. Servers and clients (desktop computers, laptops, PDAs, cell phones and more) make up the most visible parts of the Internet. They store information and programs that make the data accessible. But behind the scenes there are vitally important components - both hardware and software - that make the entire mesh possible and useful. Though there's no single central authority, database, or computer that creates the World Wide Web, it's nonetheless true that not all computers are equal. There is a hierarchy. That hierarchy starts with a tree with many branches: the domain system. Designators like .com, .net, .org, and so forth are familiar to everyone now. Those basic names are stored inside a relatively small number of specialized systems maintained by a few non-profit organizations. They form something called the TLD, the Top Level Domains. From there, company networks and others form what are called the Second Level Domains, such as Microsoft.com. That's further sub-divided into www.Microsoft.com which is, technically, a sub-domain but is sometimes mis-named 'a host' or a domain. A host is the name for one specific computer. That host name may or may not be, for example, 'www' and usually isn't. The domain is the name without the 'www' in front. Finally, at the bottom of the pyramid, are the individual hosts (usually servers) that provide actual information and the means to share it. Those hosts (along with other hardware and software that enable communication, such as routers) form a network. The set of all those networks taken together is the physical aspect of the Internet. There are less obvious aspects, too, that are essential. When you click on a URL (Uniform Resource Locator, such as http://www.microsoft.com) on a web page, your browser sends a request through the Internet to connect and get data. That request, and the data that is returned from the request, is divided up into packets (chunks of data wrapped in routing and control information). That's one of the reasons you will often see your web page getting painted on the screen one section at a time. When the packets take too long to get where they're supposed to go, that's a 'timeout'. Suppose you request a set of names that are stored in a database. Those names, let's suppose get stored in order. But the packets they get shoved into for delivery can arrive at your computer in any order. They're then reassembled and displayed. All those packets can be directed to the proper place because they're associated with a specified IP address, a numeric identifier that designates a host (a computer that 'hosts' data). But those numbers are hard to remember and work with, so names are layered on top, the so-called domain names we started out discussing. Imagine the postal system (the Internet). Each home (domain name) has an address (IP address). Those who live in them (programs) send and receive letters (packets). The letters contain news (database data, email messages, images) that's of interest to the residents. The Internet is very much the same.

Craigslist a Great Place to Find Free Stuff – While Exercising Caution of Course Craig Newmark of San Francisco founded Craigslist in 1999. Craigslist is a web page that offers anybody to sell or by articles virtually free of charge. Some of the categories such as job ads in some of the major cities have a charge, which is the funding for all the other private, free ads on Craigslist. Currently the web page is available in approximately 450 cities all over the world. IT serves more than nine billion viewers per months and therefore gives the web page a ninth place in the rankings for most frequently used web sites in the United States. The web sites offer over thirty million new postings and classifieds each month. Categories for classifieds and advertisement range from job and housing postings over traditional buy and sell classifieds all the way to community events and personal ads. Since Craigslist offers so many different ads and classifieds each month, it is also a great place to find free stuff. Many people that are about to move or have top give up a hobby due to whatever reason often times offer things for free on this web page. Generally ads and classifieds are divided by categories and then listed on the pages depending on the proximity to a major city. Many major cities in the United States have their own Craigslist. Classifieds that are posted on a city site generally are from somewhere in the proximity of the city. Often time’s sellers expect the buyer to pick up the merchandise. Therefore, it is not unusual to find car ads, fitness equipment, baby clothing and items, furniture and more on the web site. Posting is for most classifieds free and there are also no fees for anything else. In contrast to some other pages, posting a used children’s toy, a piece of furniture or similar as well as anything else is completely free. The seller has the possibility to stay anonymous till shortly before the sale, when the seller decides to hand out his or her telephone number or address for sale purposes only. Of course such classifieds and advertisements can also be cons and need to always be handled carefully. Generally a good judgment of the price and offer helps to prevent from falling for fraudulent classifieds. Even though there are measures from the creators of the website to prevent fraud such as official statements and more, there is no guaranty that a fraudulent add will be taken off in time to prevent any trouble. So whenever buying or selling on Craigslist do it with caution. Craigslist offers classifieds for anything. Community, housing, personals, jobs, for sale, services, gigs and even discussion forums are all part of the web site. On this website anybody can post anything. Therefore it might take some time to find the right ad. It might even be possible that the chosen product cannot be found. Craigslist works like an online yard sale or a flea market. Therefore finding the exact product may be hard. But sometimes getting lucky is all that it takes and then the seeker is united with the product of desire. This web page should be used and supported by anybody and everybody. Whatever there is for sale, it should be put up on Craigslist, so that other people can male good use of a product that might be a good product for someone else for a few more years. Even jobs can be found on Craigslist. In cities such as New York, this web page’s jobs are one of the most important sources for job hunters and therefore are not free of charge for the employers that are posting in some of the bigger cities.

You Can Find Free Deals and Discounts at Slick Deals Where can you go when you want to find the best deals on the net? Where can you turn to when you need quality advice before making a major purchase? How can you make sure that you never pay too much for something again? This is where slickdeals.net comes in. Slick Deals is a great website for finding what you are looking for, and making sure that you never pay too much again. Tips and Hints for Searching on Slick Deals Slick Deals is home to an advanced search engine that allows you to compare the prices of different items, both small and big ticket, and compare prices. This website allows you to make sure that you can always find the lowest price and never overpay again. Here are some hints and tips for searching for the best deals on Slick Deals. First, if at all possible, make sure that you have the SKU number on the item you are searching for on hand. Using the SKU number allows you to search for the right item at all times. The SKU number will vary in length and number-letter combination, depending on the kind of object or item you are shopping for. Avoid using parentheses when you are searching for something. Avoid using negation modifiers that will potentially exclude items from your search. You should also avoid hyphens in your search. This will tend to filter out more potential search hits, rather than pull up more potential choices. For the Latest Deals on Slick Deals, Check the Front Page When you are looking for the latest deals on Slick Deals, you will want to make sure that you check the front page. The default front page is also home to the newest deals. By defaults, you will only see deal titles when you first log onto the Slick Deals website. All of the deals on this front page are color-coded. You will find that ongoing deals are displayed in a bold blue tone. Expired deals are displayed in a gray color. To find out more about these front-page deals, simply click on the title. Then the deal will expand and you will be able to read more about the deal. Once you have read all the information you want, simply click on the title once again to close the window. To find out more about deals of the whole day, click on the day bar. When you click on the day bar, all the deals of the day will expand so you can read the details. Simply click the day bar once more to close the deals. How to Share Deals with Friends The Slick Deals website makes it easy for you to share deals with other interested parties. If you would like to share a deal that you find on Slick Deals, simply choose one of the following three methods. You can share a great deal with a friend by selecting the 'Tell a Friend' button that is available for each deal. Clicking on this link allows you to send a friend an email, informing them about the deal on Slick Deals. Another easy way to contact a friend or potentially interested friend is to send them an instant message using AOL Instant Messenger. Simply select the 'AIM' button for this option. Another easy way to send a copy of the deal to a friend is to send them a permalink using another form of communications. You can also leave your own opinion or review of the deal by selecting the Comments link. Slick Deals relies on user-driven content to establish a vibrant and informative website geared directly for consumers.