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Buying a single article from a scientific journal is usually prohibitively expensive if you are not a student or teacher at a school that subscribes to the journal. Most academic journals are available only behind these paywalls, but Deep Dyve just announced a new product that could radically change the marketplace for scientific, technical and medical articles. Until now, Deep Dyve only indexed articles and directed users to the journal's own site. Starting today, users can rent articles from Deep Dyve. Accounts start with a pay-as-you-go account, by which users are charged $0.99 to keep an article for one day, and go up to an unlimited account for $19.99 per month.

Twitter use and status updates in general are on the rise among Internet users overall and several specific user groups as compared to 2008 and earlier this year, according to research just released from the Pew Internet Project.

In December 2008 and April 2009, the organization's studies showed that around 11 percent of Internet users were using a microblogging or status updating service. That number has now risen to 19 percent, one out of every five Internet users. The three major growth areas driving this increase are social network users, mobile web users and users younger than 44 years old.

A recent study by industry group the Participatory Marketing Network has unearthed some surprising data on Gen Y behavior. Apparently, the members of this young demographic (ages 18-24) would rather give up their social networking accounts before they would abandon their email. Given that this generation is typically viewed as "plugged in" digital natives who don't have any use for email, the study raises many questions. Have the previous reports about Generation Y's disdain for email simply been wrong? Or has Gen Y grown up a bit now and has learned the necessity of the medium?

An independent study by Equation Research found that today's consumers are disappointed with the performance of the mobile web. Despite the proliferation of smartphones with their full-featured web browsers, the majority of mobile web surfers have encountered issues with accessing websites via their handsets over the past year. The number one issue reported involves websites that are too slow to load, frustrating users to the point that over half said they would never return to the site in question.

Five years ago, Internet traffic was, for the most part, managed by tier 1 providers like AT&T, Verizon, Level 3 Communications and Global Crossing, all of which connected to thousands of tier 2 networks and regional providers. Today, that has changed. Now, instead of traffic being distributed among tens of thousands of networks, only 150 networks control some 50% of all online traffic. Among these new Internet superpowers, it's no surprise to find Google listed. In fact, the search giant accounts for the largest source (6%) of all Internet traffic worldwide.

This data comes from a new report put out by Arbor Networks, who has just completed a two-year study of 256 exabytes of Internet traffic data, the largest study of global traffic since the start of the commercial Internet in the mid-1990's.

Researchers at Pennsylvania State University recently revealed the results of a study which looked into how people were using Twitter to talk about products. Companies, of course, fear what a negative barrage of tweets can do to their brand, leading many to establish Twitter accounts themselves to provide information, customer service, and support. As it turns out, these businesses may not need to worry too much about what the "Twitter effect" can do to their image after all. The study revealed that the number of brand-related tweets where sentiment is expressed is not the dominating force that you may think. In fact, the majority of tweets mentioning a brand are merely casual comments or tweets from someone giving or seeking information. And when sentiment is expressed, it's generally positive.

European researchers have been working for years on a system that allows developers to create internet applications that can manage and fix themselves. Called SELFMAN, the project aims to address the challenges inherent in large scale applications. According to Peter Van Roy, project coordinator, "The central challenge when you build big internet applications is how to keep them running without having to tweak and manage them all the time. We wanted to make big internet applications easy, so that all the management problems you normally have are handled by the system itself. It will take the internet to the next level."

Indeed it will.

Oh how the mighty have fallen. The one time king of social networks, MySpace, now has the honor of being the site where the less affluent members of the online population stake their claims by way of bedazzled profiles overrun with auto-playing videos and songs. Meanwhile, the upscale, financially solvent users have moved on - and by moved on, we mean to Facebook, of course. At least those are the findings of the latest social networking study done by American consumer behavior analysis firm Nielsen Claritas.

Recent research by Carnegie Mellon University (CMU) professor Vassilis Kostakos pokes a big hole in the prevailing wisdom that the "wisdom of crowds" is a trustworthy force on today's web. His research focused on studying the voting patterns across several sites featuring user-generated reviews including Amazon, IMDb, and BookCrossing. The findings showed that a small group of users accounted for a large number of ratings. In other words, as many have already begun to suspect, small but powerful groups can easily distort what the "crowd" really thinks, leading online reviews to often end up appearing extremely positive or extremely negative.

According to recent analysis by the Online Publishers Association (OPA), more people than ever are spending their time online visiting content sites which provide news, information, and entertainment. Despite the emergence of social networks, and in particular the rapid growth of Facebook, it's content sites which engage web surfers' attention the most these days - time spent on these sites is up 88% from only five years ago. That's not to say social networking community sites haven't grown too, it's just that their growth hasn't come at the expense of content. Instead, people are using traditional communication sites and services (think webmail, IM, and discussion groups) less and less and choosing to use Facebook and other social networks instead.