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A new report from Citigroup out today says that it's not too late for Microsoft to have a "meaningful share" of the tablet market, even though its first tablet computer won't ship until mid-2012 at the earliest. Citi estimates that around 75 million tablets will ship in 2013, but there's still plenty of room for a Microsoft tablet to gain a foothold, even if it's not "a raving success."

Has Citi gone mad? Or is it right on target? Let us know what you think in this week's ReadWriteMobile poll.

Although Steve Ballmer insisted that Microsoft would continue to support Skype on non-Microsoft platforms when it acquired the VOIP company earlier this month, it looks as though that may not necessarily be the case. And the first casualty seems to be Skype's integration with Asterisk, an open source telephony platform.

Digium, the open source project's maintainer, has informed its users that Skype for Asterisk will no longer be available for sale or activation after July 26. According to the notification, Skype has opted not to renew the agreement that allows Digium to utilize Skype's proprietary software in order to turn the open source Asterisk into a native Skype client.

Tracking what you click on has been one of the fundamental pieces of Web analytics. But your clickthroughs represent only part of what you actually do online. Eye-tracking studies have often been seen as the best way to determine what people are actually thinking as they browse, but these sorts of experiments - until recently - have been either technology- or cost-prohibitive for many people.

But now researchers at Microsoft may have found an easier way to track where people are looking as they browse the Web. The new process doesn't actually utilize eye-tracking hardware, but rather uses the position of the cursor as a stand-in - where your cursor moves, where you hover, and of course sometimes where you click. According to their research, the cursor's position as actually a pretty good sign of what you're looking at and what's important, particularly when it comes to search results.

This morning, Microsoft officially revealed the future of its Windows Phone mobile operating system, a release known as "Mango." Now, the first set of developer tools to work with the new platform are being made available online, in beta format.

For developers, these tools offer a major leap in the types of applications which can be built for the mobile OS, as they introduce much-requested features like multi-tasking, access to sensors and better ways to utilize Windows Phone's Live Tiles.

This morning in New York, Microsoft held a VIP Preview event showcasing the next major release of its Windows Phone mobile operating system (OS), known by its code name, "Mango." The press conference, intended for media and analysts, comes on the heels of a string of updates about the next-gen version of Windows Phone. These included features developers will appreciate, like multi-tasking and programmatic access to the phone's hardware; consumer-facing features like turn-by-turn navigation and built-in barcode scanning; as well as features for business users, like conversation views in email and mobile access to documents. In total, over 500 new features are due to arrive in Mango, Microsoft CEO Steve Ballmer announced earlier this week.

A recent story in Network World shows one way that Microsoft will make future wins over to its cloud-based Office offerings, now called Office 365 and still in beta: with favorable enterprise pricing for Exchange Online.

Earlier this week Microsoft Development blogs posted an update about its SmartScreen Application Reputation ranking software for Internet Explorer. In the post, Microsoft had some statistics about users downloading malicious Web applications and the pop-up warnings that IE delivers to users warning them about potentially harmful downloads.

Chet Wisniewski of Sophos Security is calling shenanigans on Microsoft's statistics. In a blog post on Sophos' blog, Naked Security, Wisniewski says, "Microsoft is comparing Apples to...nothing." Microsoft's post says that users get two pop-up warnings a year, which Wisniewski says means that IE users make 20 downloads a year. Wisniewski looks at these numbers and thinks something is not quite right in Microsoft land.

Forrester has released its Wave report on platform-as-a-service providers for 2011. It looks at how these providers serve two different types of user: professional developers and business developers.

By professional developers, Forrester means those that we usually think of as developers: those who actually know programming languages and write code. By business developers, Forrester means business experts who use visual programming tools to snap together applications from existing components.

The analyst firms of Gartner and RBC Capital Markets have provided us with updated insights into how well the various mobile platform players are performing as of late. According to Gartner's recent report on mobile device sales in Q1 2011, smartphone market share is rapidly increasing, up 85% year-over-year to account for 23.6% of all sales this quarter.

Of particular interest to mobile developers are the trends surrounding smartphones. The two major players, iOS and Android, continue to dominate smartphone OS wars, Gartner says. Meanwhile, Windows Phone has seen only "modest sales" so far, although that may change soon thanks to the Nokia partnership.

In a separate report, RBC details how another notable industry player is doing with its latest launch - that being RIM's BlackBerry PlayBook tablet computer. Surprisingly, it appears the PlayBook is outselling Motorola's Honeycomb tablet, the Xoom.

Windows 8 will come in two major varieties: a "traditional" version with legacy application support, and an ARM version that will not support legacy applications. The Windows 8 traditional version will have a "Windows 7" mode for backwards compatibility. The news comes from Intel's Investor Meeting 2011, as reported by The Register.

Update: Microsoft has issued a denial.