Wikis
These four friends are going on a camping trip. They need to bring the right supplies because they're backpacking. The group needs to plan and plan well, so coordination is key. They're all computer users, so they start planning with an email. It's start with one, but then becomes a barrage.
Police embracing tech that predicts crimes
New technology allows police to predict crime before it happens, but some agencies can't afford the software. Predictive analytic software PredPol anticipates future crime based upon past activity. The program was adapted from similar software meant to predict earthquake aftershocks.Many police stations still use obsolete technology due to small budgets and aversion to change.Even so, police depend heavily upon social media to solve crimes. (CNN) -- For something that predicts the future, the software is deceptively simple looking. A map of a city is marked up with small red squares, each indicating a 500-by-500-foot zone where crimes are likely to take place next. A heat-map mode shows even more precisely where cars may be stolen, houses robbed, people mugged.
Social Networking
Networks get things done. Whether it's sending a letter or lighting your home. Networks make it happen. To get from Chicago to Santa Fe, we need to see the network of roads that will get us there. We see that Chicago is connected to St Louis, which is connected to Dallas, which is connected to Santa Fe.
Web Search Strategies
The Web may seem like a vast ocean when it comes to finding something you need. Thankfully, search engines can help turn oceans of information into small pools that make finding information easier. Before we dive in, let’s talk a bit about how search works on the Web. Search engines go out and try to account for every word on every webpage. All this information is then organized for easy reference.
Social Bookmarking
It's just too much. Did you know that there are over 15 billion web pages? To make sense of it all, we need to pluck out the best pages and save them for later. We have choices. We could bookmark or add to favorites in our web browser.
World Wide Web
Have you ever wondered, when you visit a website, where those words and images come from? These days, as long as we have an Internet connection, using the Web is pretty easy. We can visit billions of pages on things from pet alligators to the weather in Holland. To help figure out how it works, let’s pretend we can get really small, follow the wires and explore what makes the Web work. In order to get to the Web, we need a connection from our home or business to the rest of the online world.
Online Photo Sharing
When asked what should be saved in a fire, along with family and pets, people often choose photos. If photos mean a lot to you, it's time to learn why keeping them on the web makes sense. As you know, cameras and photography have changed.
Google reports 'alarming' rise in government censorship requests
Google says government requests to remove Web content are way upIn last half of 2011, U.S. agencies asked Google to remove 6,192 pieces of content That's up 718% compared with the previous six-month periodGoogle released its biannual transparency report Sunday night (CNN) -- Western governments, including the United States, appear to be stepping up efforts to censor Internet search results and YouTube videos, according to a "transparency report" released by Google. "It's alarming not only because free expression is at risk, but because some of these requests come from countries you might not suspect -- Western democracies not typically associated with censorship," Dorothy Chou, a senior policy analyst at Google, wrote in a blog post on Sunday night. "For example, in the second half of last year, Spanish regulators asked us to remove 270 search results that linked to blogs and articles in newspapers referencing individuals and public figures, including mayors and public prosecutors.
Twitter
So, what are you doing? It's one of the first questions we often ask friends and family. Even if the answer is just mowing the lawn or cooking dinner, it's interesting to us. It makes us feel connected and a part of each other's lives.
