Given the scale of both Microsoft Office and Microsoft SharePoint among consumers and business users, providing developers with a chance to reach both markets greatly increases their potential customer base. With Microsoft extending Office and SharePoint stores into new markets they are also broadening their possible user-base of developers who are building for these platforms. This in turn improves the products by making them more flexible and extendable. All seemingly a good plan assuming Microsoft delivers and executes it properly. Read the full story here.