To celebrate its fifth birthday this month, Twitter has released a fresh set of stats about its growth and usage.
Developers working on client applications that replicate Twitter.com's basic user functionality should turn their efforts elsewhere, because the company doesn't want any more such apps on the market.
Google is adding a feature to its search engine that lets users block out all links from specific domains in their query results.
Google will start a public test of a new Gmail feature that will automatically label certain types of mass and automated e-mail so that users can more easily recognize and assign proper priority to them.
As if users needed another reason to spend more time on Facebook, Warner Bros. has started offering movies to rent or buy and view on the site.
Developers and publishers who have adopted Twitter's Tweet Button say the tool is beneficial in letting their site readers and application users conveniently share links on Twitter, but that some features can be improved, including its analytics data and mobile functionality.
Microsoft is responding to the online coupon frenzy by adding results about special deals to its Bing search engine, both on its desktop and mobile versions.
Google will soon start letting Apps users buy additional storage for some of the applications in the hosted collaboration and communication suite.
An iPhone version of the augmented reality Argon browser, which lets users scan places and objects with the phone's video camera and see Web content overlaid on the screen, is now available.
Google is rolling out several enhancements to its Social Search feature that make links from someone's online circle of friends and contacts more prominent in query results.
Google Wednesday launched a payment system for publishers of digital content, one day after Apple unveiled a similar system for its App Store.
Yahoo has announced a "digital newstand" called Livestand for tablet devices and cell phones that has been designed to deliver content from the company's various sites and online publications.
A considerable number of Facebook and Google users worry about privacy and malware when using the social networking site and search engine, according to a survey from Gallup Poll and USA Today.
Even if Microsoft did copy Google's search results the practice couldn't be scaled enough to mimic Google's algorithms in any widespread and meaningful way, search industry analysts and executives said.
Google's complaint that Microsoft has copied its search results has become fertile ground for analysis and comment by industry observers.