I’ve been guilty of it, and if you subscribe to a lot of mailing lists, I’d be willing to be you have been too. Guilty of what? Of marking legitimate mailing list email as spam as a shortcut way to unsubscribe. To be fair, most of the time when I’ve done this, it’s because the mailing list in question makes unsubscribing difficult. But sometimes it’s just sheer laziness.
The problem with marking legitimate messages as spam is (more…)
Opera Turbo™
Internet users expect that the websites load quickly as speed is vital in this fast changing world. The launch of the browser Opera 10 with new feature “Opera Turbo™” is a milestone that guarantees speed while browsing. With use of this technology user can experience i by increasing Web-page download speeds and performance even he has low speed connection or slow speed problems! Opera Turbo™ is based on (more…)
Google has released research results about a new test to foil computers pretending to be humans by requiring them to orient an image so it’s upright.
A persistent problem on the Internet is screening out automated computer systems that can be used, for example, to sign up for spam-sending e-mail accounts or post comments designed to improve a site’s search results. Google, which already devotes a lot of resources to block e-mail and Web spam, has tried a new test to keep the bots at bay.
The test is the latest variation on a screening technique called a Captcha (completely automated public Turing test to tell computers and humans apart). The idea is that people can often tell which way is up in a photo, but computers have a harder time.
Captchas are in widespread use today, usually in the form of obscured or distorted text that people can still read. But there’s a lot of work in the area, including identifying 3D images and distinguishing between cats and dogs.
Here’s how Google authors Rich Gossweiler, Maryam Kamvar, and Shumeet Baluja described the image-orientation technique in their paper:
This task requires analysis of the often complex contents of an image, a task which humans usually perform well and machines generally do not. (more…)
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