Having trouble keeping track of who is suing whom among smartphone and mobile technology players over the past few months? Here's a quick rundown:

Coming off a record-making Patch Tuesday in February, Microsoft announces a lighter load of bulletins and advisories targeting client operating systems, Microsoft Office and Internet Explorer.

Sun open source chief Simon Phipps announces his departure in a blog post.

NASA is working to finish out the space shuttle program with some key missions. First, the next space shuttle, Discovery, currently is sitting on Launch Pad 39A at NASA's Kennedy Space Center.

VMware is making experimental projects available to developers through a new "VMware Labs" Web site.

Industry watchers say Microsoft's Internet Explorer 9 browser could help the software giant regain market share and get products in front of more customers.

Machine to machine (M2M) communications via 3G cellular data links is expanding in the enterprise. Sixnet offers a battery of new products to make it simple and cost-effective to network kiosks, remote offices, point-of-sale equipment and digital signage.

Does "I'm a Mac" mean "I'm less expensive to manage?" An Enterprise Desktop Alliance survey says Macs cost a lot less than PCs to manage -- yet Macs come with special challenges for enterprise IT admins.

Although even some large shops are delaying Windows 7 implementation, observers caution not to wait too long.

If the public wants online privacy it had better fight now for laws to protect it because businesses won't and individuals don't have the clout, security expert Bruce Schneier told RSA Conference.

IBM CEO Sam Palmisano’s bonus fell 14% in 2009, but his stock awards rose 11%. His total compensation is up slightly compared to 2008.

When the economy plummeted at the end of 2008, the Western U.S. branch of The Salvation Army was ahead of the cost-cutting game. CIO Clarence White had centralized the IT organization a year or two earlier, and he had consolidated the database and storage servers from the business units into a single data center in Long Beach, Calif.

MIT has expanded the footprint of its Media Lab with a new $90 million, 163,000-square-foot modern building.

Two IT employees of the suburban Philadelphia school district accused of spying on students by activating the cameras on their school-issued laptops have been placed on administrative leave.

The transition to 4G services will slowly start to take shape by the end of the year.

AT&T has finally added the Google Android platform to its portfolio of mobile devices with the launch of the Motorola Backflip. AT&T, the exclusive provider of the Apple iPhone in the United States, now offers business professionals a more diverse array of choices--expanding even further later this year with the expected addition of devices based on Palm's WebOS.

Verizon said that its field tests of LTE, or 4G, technology has shown wireless data speeds much faster than first expected.

Apple chose the Oscars on the ABC television network to air its first iPad commercial on Sunday night in the U.S.

Compensation for Adobe Systems president and CEO Shantanu Narayen took a big hit in 2009, as did the company's annual revenue and income.