• Facebook may be eyeing Opera web browser, reports say

  Facebook's advertising appetite could be in for a nice snack if the company gobbles up the Opera web browser as some technology observers have speculated it may, and investors who have been edgy since the social network's recent IPO could also get some relief.

• Lawmakers call on DOJ to reopen investigation into Google Wi-Fi spying

  Two U.S. lawmakers have called on the U.S. Department of Justice to reopen its investigation into Google's snooping on Wi-Fi networks in 2010 after recent questions about the company's level of cooperation with federal inquiries.

• Lawmakers call on DOJ to reopen investigation into Google Wi-Fi spying

  Two U.S. lawmakers have called on the U.S. Department of Justice to reopen its investigation into Google's snooping on Wi-Fi networks in 2010 after recent questions about the company's level of cooperation with federal inquiries.

• Yahoo Axis may be game changer for search and the troubled company

  With Axis, Yahoo is trying to change the search game, while also trying to change its image as a troubled company.

• About 4.5 million Catholic school students to get Office 365

  About 4.5 million Catholic school students will get access to Microsoft's Office 365 cloud e-mail and collaboration suite as part of a 3-year deal the software vendor struck with the Catholic International Education Office (OIEC).

• Internet Explorer 9: A getting started guide

  Microsoft's Internet Explorer 9 officially launched late Monday and is ready for download here.

• Gmail Tips: Five great e-mail timesavers

  If you're one of Gmail's 193 million users worldwide, you probably rely on the service -- and its add-ons -- every day. Popular among users for its customization features, Google constantly adds to its arsenal of Labs and brings new features mainstream to simplify processes and save users time.

• Mobile survival guide: Top tips for staying connected

  Picture this: You're sitting down

• Upload and view videos in Google Docs

  Google Docs is becoming a more robust cloud-based productivity suite, and the addition of uploading, storing and viewing videos is a boon for sharing corporate presentations and the like. It's also a slick way to skirt your company's firewall on streaming video sites such as YouTube.

• Top 5 free Google Apps add-ons for business

  Google launched its Apps Marketplace back in March, effectively inviting companies to create business software for the cloud that would sit alongside the standard set of Google Apps.

• Location-based services: Are they there yet?

  Mobile users are more connected to the Internet than ever. As of December 2011, ComScore estimated that there are 97.9 million smartphone users in the US - nearly a third of the total population.

• The future of the $200 tablet

  Spending $150 to $200 on a tablet won't get you much these days: In most cases, you're looking at an off-brand Android product with a single-core processor, barely any RAM and a low-resolution, low-quality display. Depending on the device, you might not even have access to Google's app market or other basic services -- and while that approach may work with retailer-backed, limited-use products like Amazon's Kindle Fire, when it comes to more traditional Androidtablets, it doesn't usually lead to the best user experience.

• Open for business: It's the year of the corporate app store

  With more employees using smartphones and tablets for business, enterprises are setting up their own app stores for application distribution, leveraging a consumer model for mobile application access that is tuned to the workplace. Instead of saddling already overburdened IT personnel with getting applications to individual devices, these app stores provide a central distribution mechanism for employees to download applications themselves.

• Catching the eye of Google

  Google's man in charge of acquisitions - vice-president of corporate development David Lawee - was in Auckland recently, but he was keeping quiet on whether any Kiwi businesses were on his radar.

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  In depth: Nokia's great Windows Phone hope - Beauty without brawn

  Nokia may sell more cellphones than any other company in the world, but it's been all but excluded from the United States for years -- and it's seen its global sales steadily shrink as the iPhone and Android smartphones have become the darlings of buyers in an increasing number of countries. Nokia's relevance has been fast receding, and its Symbian, Maemo, and MeeGo efforts became a pattern of failure for a company that just didn't get it. In response, a year ago, Nokia bet its future largely on Windows Phone 7, Microsoft's answer to Apple's iOS and Google's Android.

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