Microsoft announced that it will implement a one logo policy for Windows 7. This is a corrective measure that Microsoft wants to implement especially with the debacle of its Vista Logo.
With Vista, there are four different logos that can be used by Microsoft partners to certify device compatibility. This led to lots of confusion among vendors of hardware products and consumers.
Microsoft wants to do away with the confusion by using only one logo for Windows 7 that can be used by its partners. A Windows 7 logo is used as a certification seal for devices and other gadgets and hardware. Once a device has the Windows 7 logo, this means that it will be totally compatible with the operating system. Consumers therefore will have a guarantee that their devices will work on the new Windows 7.
A device without a Windows 7 logo can still be used by consumers. However, there is no guarantee that this will work with the operating system. Worse, you may encounter performance issues and system crashes if you use an uncertified device on Windows 7.
If you intend to use Windows 7 after its beta release, then you need to carefully inspect the gadgets and devices that you will buy. Make sure that these devices have a security Windows 7 logo so you can ensure hardware compatibility with your new operating system.
You can learn the details about the Windows 7 logo policy on the Microsoft website. You can also get updates from Microsoft affiliated forums and websites regarding the proper use and implementation of Windows 7 logo policy.