When a popular product is taken off the market, demand rises. This is usually followed by a rush to buy and sell it as it attains collectible status. Six Dr. Seuss books containing controversial imagery were recently discontinued by the publisher, and speculators flocked to eBay to sell their copies. Here's how you can get in on the action.

Walmart+ launched a few months ago as a direct competitor to Amazon Prime and has shown some early success. The program offers same-day shipping, fuel discounts and tons of other perks. But Walmart just made a huge change to its subscription service that you need to check out.

When it comes to tech companies, you should trust their actions over their words. Case in point: Amazon says it stands for free, open and uncensored internet. But now it's removing books and films it doesn't like. To add salt to the wound, Amazon is so tight-lipped, it refuses to offer any explanation. Here's the full story.