In contrast, content sites commonly charge a fixed price per click rather than use a bidding system. PPC display advertisements, also known as banner ads, are shown on web sites with related content that have agreed to show ads and are typically not pay-per-click advertising.
A service-level agreement (SLA) is a contract between a service provider and its internal or external customers that documents what services the provider will furnish.
A service contract is a promise to perform, or pay for, certain repairs or services. Although a service contract is sometimes called an 'extended warranty,' under federal law, it is not a warranty, the FTC says.A warranty comes with the original price of the product, whereas a service contract costs extra.ind out how repairs are paid for, and if you must obtain prior authorization, and learn about the financial backing of the contract. Do remembere that there is a difference between warranties and service contracts. A warranty promises to perform needed repairs and that it be free of defects.