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Passwords are the first line of defense against cyber criminals. It’s important to pick strong passwords that are different for each of your important accounts and to change them regularly. Here are some ideas to help create strong passwords. Use a unique password for all your important accounts. Use unique passwords for your accounts, especially important accounts like email and online banking. You are likely to have dozens of accounts across the web, and you cannot guarantee the security of all of them. Criminals target sites that lack strong security, in order to harvest usernames and passwords that they test against other popular sites. When you use the same password across the web, a cyber criminal can learn the password from a less secure site and then use that password to compromise your important accounts. Use a long password The longer your password is, the harder it is to guess. There are almost one quintillion possible 10-character passwords (that’s 4,000 times as many possibilities as if your password only has eight characters) … and that’s if you only use numbers and letters. Use a password with a mix of letters, numbers, and symbols Using numbers, symbols and mixed-case letters in your password increases the difficulty of guessing or cracking your password. For example, there are more than 6 quadrillion possible variations for an eight-character password with numbers, symbols, and mixed-case letters – 30,000 times more variations than an eight-character password with only lowercase letters. Try using a line from a song, film or play Some passwords are easy to guess or crack: Simple words or phrases like “password” or “letmein,” keyboard patterns such as “qwerty” or “qazwsx,” patterns such as “abcd1234” or personal information like your birthday or street name.So choose a combination of letters, numbers, or symbols to create a unique password that’s unrelated to your personal information.One idea you can try is to choose a line from your favorite song, film or play, like “To be or not to be: That is the question.” Then use numbers, symbols and mixed-case letters to recreate it: “2bon2bT1tq” is a password with quadrillions of variations. The more unusual the phrase you choose the better!Or you could pick a random word or phrase, and insert letters and numbers into the beginning, middle, and end, such as “sPo0kyh@ll0w3En.” Make sure your password recovery options are up-to-date and secure Make sure your recovery email address is up to date so that you can receive emails in case you need to reset your password. Sometimes you can also add a phone number to receive password reset codes via text message. Additionally, many websites (including Google Accounts) will ask you to choose a question to verify your identity if you ever forget your password. If you’re able to create your own question, try to come up with a question that has an answer only you would know. Try to find a way to make your answer unique – you can do this by using some of the tips above – so that even if someone guesses the answer, they won’t know how to enter it properly. Keep your password reminders in a secret place that isn’t easily visible Don’t leave notes with your passwords in plain site, on your computer or desk. If you do decide to save your passwords in a file on your computer, create a unique name for the file so people don’t know what’s inside. Avoid giving the file an obvious name, such as “my passwords.” If you have a difficult time remembering multiple passwords, a trusted password manager may be a good solution. Spend a few minutes checking out the reviews and reputations of these services.

Internet Addiction Disorder, a psychophysiological disorder involving tolerance; withdrawal symptoms; affective disturbances; and interruption of social relationships, is a presenting problem that is becoming more common in society as on-line usage increases by the day.

To be diagnosed as having Internet Addiction Disorder, a person must meet certain criteria as prescribed by the American Psychiatric Association. Three or more of these criteria must be present at any time during a twelve month period: 1. Tolerance: This refers to the need for increasing amounts of time on the Internet to achieve satisfaction and/or significantly diminished effect with continued use of the same amount of time on the Internet. 2. Two or more withdrawal symptoms developing within days to one month after reduction of Internet use or cessation of Internet use (i.e., quitting cold turkey) , and these must cause distress or impair social, personal or occupational functioning. These include: psychomotor agitation, i.e. trembling, tremors; anxiety; obsessive thinking about what is happening on the Internet; fantasies or dreams about the Internet; voluntary or involuntary typing movements of the fingers. 3. Use of the Internet is engaged in to relieve or avoid withdrawal symptoms. 4. The Internet is often accessed more often, or for longer periods of time than was intended. 5. A significant amount of time is spent in activities related to Internet use ( e.g., Internet books, trying out new World Wide Web browsers, researching Internet vendors, etc.). 6. Important social, occupational, or recreational activities are given up or reduced because of Internet use. 7. The individual risks the loss of a significant relationship, job, educational or career opportunity because of excessive use of the Internet. In recent research, other characteristics have been identified. Th

e first is feelings of restlessness or irritability when attempting to cut down or stop Internet use. The second is that the Internet is used as a way of escaping problems or relieving feelings of helplessness, guilt, anxiety or depression. The third characteristic is that the user lies to family members or friends to conceal the extent of involvement with the Internet. And, finally, the user returns repeatedly despite excessive fees (Egger & Rauterberg, 1996).

I am frequent computer user. Of course it’s interesting to know how danger for my health computer can be. Working with computer for whole day is not rare nowadays. If it’s an aspect of our work or if we use computers just for fun, there are certain risks involved with prolonged computer use. 1. Eye Disease It’s the first what occur to us, when we talk about computer harm (right?). Prolonged computer use could be linked to glaucoma, especially among those who are short-sighted. Our eyes are very badly affected by how long you stare at that bright screen. We stop blinking and start staring which makes our eyes strain and dry out. Make sure you look away from the screen and close them for a few seconds every few minutes. We can find many information about eyes health, as Snuz made. And it’s very important not to forget about our eyes while working on computer. 2. Bad Posture Bad posture is enemy number one. Check your posture now! You should be able to reach the keyboard and mouse whilst bending your elbows at 90 degrees, with your shoulders relaxed. If you are stretching, this could cause problems. Your back should be straight and the top of the monitor should be just below eye level. If your monitor is to the left or right of your keyboard you are putting strain on your neck. Long periods of time at the computer while blogging, working or reading often leads to pain in the lumbar region of the back. Neck and shoulder problems also result from poor seating and the poor organization of equipment on the desk (stretching for the telephone or files etc). 3. Hurting Hands Your hand and wrist ache after working at the computer all day, and they sometimes start feeling numb. Research in recent years has found that things like typing and sewing rarely cause carpal tunnel. Wear splints while you work to keep your wrists from bending too high or low, and use a keyboard tray or adjust your chair so the keyboard and mouse are below your elbows and your wrists are level. It is really important to give your fingers, wrists and hands a break from resting on the keyboard all day. A tennis ball is a great way to do this. Every time you need to think you should grab the ball and give it a few quick squeezes. This will do wonders for your joints and muscles. 4. Computer Stress Injuries Many people suffer from structural problems related to the physical stress of sitting incorrectly, or for too long in front of their computers. So there are chances you’ve experienced a fair amount of computer stress, from minor frustrations here and there to a virtual visit to computer hell. High levels of stress can kill you, don’t make mistakes! Highly stressful workers have a higher risk of developing heart diseases and even cancer. So make sure that you can manage your stress. Start making something to reduce it, don’t wait till computer stress will be the main problem in your life. Taking frequent breaks is an important step in preventing repetitive computer stress injuries. Thus, it shows up that there are several problems that occur with prolonged computer use. It is also clear, however, that if certain rules of using computer are observed the risk of any of these problems can be minimized and computer users affected with computer related disorders can avoid or treat them. I consider that persons should have active lifestyle and an ergonomic computer work station, thereby even hardly computer working can’t affect their health. What do you think?

Each person’s Internet use is different. You might need to use the Internet extensively for your work, for example, or you might rely heavily on social networking sites to keep in touch with faraway family and friends. Spending a lot of time online only becomes a problem when it absorbs too much of your time, causing you to neglect your relationships, your work, school, or other important things in your life. If you keep repeating compulsive Internet behavior despite the negative consequences in your offline life, then it’s time to strike a new balance

10. Music: Listen to and discover new music. Listen to classical music to help you stay relaxed and focused. Find free music online to listen to. 9. Language: Learn a second language. This can help you when vacationing and it looks great on your resume. You can earn more money in your field if you know another language. 8. Health: Get healthier with diet plans, meal planning and exercise plans. Join an online community with people who have the same health goals as you: lose weight, get in shape, gain muscle, or just stay healthy. Plan your meals. Get healthy recipes. 7. Money: Manage your money. Read articles and newsletters from finance experts. Learn how to stick to a budget. Get discounts and coupons online to help save money. 6. Donate: Find your favorite charities and organizations online and donate your money, time, blood, etc. Many are eligible for tax deductions. Donate to help find a cure for cancer, help fund a Native American school, give aid in natural disasters…There are so many good causes out there. 5. News: Check out the current events around the world. There is more than just bad news out there. There are good people doing great things. 4. Education: Learn something new with an online course. What have you always wanted to learn how to do? You can also find courses online that can help you advance in your career. 3. Photos: Create an online photo album. Keep a photo album online to save space from printed photos. Your pictures will stay fresh. You can print them out when you want to for frames or gifts. You can share them with relatives and friends who live far away. 2. Ancestry: Research your ancestry and create a family tree. Talk to your mom, dad, siblings, and other relatives to get the names of your grandparents, aunts, uncles, and more. Map your ancestry online and create something to pass down to your kids. 1. Maps: Use maps to show your kids where they live. Print out maps of places you would like to visit. When you are board take a road trip. Print out some great restaurants nearby and make a day of it.

Virtual worlds are engaging, stimulating spaces where students can meet online for normal class activities, including lectures, discussions, case studies, projects, papers, exams, and labs.

A virtual world class differs from a traditional course management system, such as Blackboard or Moodle, due to the three-dimensional (3D) graphical setting, the use of avatars to represent the class participants, and the sense of presence that puts the learner within the scene.

Virtual world classrooms are no less real than other online class environments, and if used for synchronous class sessions, they may simulate a campus-based class meeting.