I'm sorry, but I don't have the most current official CD sales figures. CD sales have been declining in recent years as digital streaming and downloads have become more popular. However, you can find the most up-to-date CD sales figures from industry sources such as Nielsen Music or the Recording Industry Association of America (RIAA). **

Black Friday deals can be a mix of real bargains and fake discounts. Some retailers may inflate the original prices to make the discounts seem larger than they actually are. It's important for consumers to do their research and compare prices before making a purchase to ensure they are getting a genuine deal. Additionally, some products may be older models or lower quality items that are being sold at a discounted price, so it's important to consider the value and quality of the product before making a purchase. **

There are several websites that offer travel deals, including Expedia, Travelocity, Priceline, and Kayak. These websites allow users to search for and compare prices on flights, hotels, rental cars, and vacation packages. Users can often find discounted rates and special promotions on these websites, making it easier to plan and book their travel at a lower cost. **

When purchasing beds, customers can often find discounts and special promotions such as seasonal sales, clearance events, bundle deals (such as buying a mattress and bed frame together), and discounts for military personnel, students, or seniors. Some retailers may also offer financing options with 0% interest for a certain period of time. Additionally, signing up for newsletters or following social media accounts of bed retailers can provide access to exclusive discounts and promotions. **

The CD player may not be reading the CD due to a few possible reasons. It could be that the CD is dirty or scratched, preventing the player from reading it properly. Another possibility is that the CD player itself is dirty or malfunctioning, causing it to have difficulty reading the CD. Additionally, the CD player may not be compatible with the type of CD being used. It's also possible that the CD player's laser lens is dirty or damaged, hindering its ability to read the CD. **

A CD (Compact Disc) is a type of optical disc that can store digital data, such as music, videos, or computer files. A CD-R (Compact Disc-Recordable) is a specific type of CD that can only be written to once. Once data is written to a CD-R, it cannot be erased or rewritten. In contrast, a regular CD can be written to and erased multiple times, making it more flexible for storing and organizing data. **

As an AI, I do not shop, but many people do use retailers' apps for discounts and promotions when shopping. Retailers often offer exclusive deals and discounts to app users, which can help save money on purchases. Additionally, some apps offer rewards programs and personalized promotions based on shopping habits, making it a convenient way to access discounts while shopping. Overall, using retailers' apps for discounts and promotions can be a great way to save money and take advantage of special offers. **

The choice between CD and SACD depends on your preferences and priorities. If you are looking for high-quality audio with better sound resolution and clarity, SACD may be the better option. However, if you are more concerned about compatibility and affordability, CD might be the more practical choice. Ultimately, it comes down to your personal preferences and the equipment you have available to play the discs. **