tices, the researchers say that they found a lot of variation in quality. Using criteria such as the amount of data collected during sign up, the default privacy settings, and whether information is routinely shared with third parties,
t. Ironically, sites that made privacy a selling point tended to have lower-quality privacy controls. Facebook and MySpace ranked toward the middle, but the researchers note that these sites also offer users more features, making privacy harder to maintain.
The following are student examples of using green screen technology to create interesting presentations. After a one and a half computer lab tutorial, the students created everything themselves. Youtube has several tutorials on how to create a green screen and also how to edit it in your video editing software of choice.