Deterding, S., Dixon, D., Khaled, R. and Nacke, L. (2011a) âFrom Game Design Elements to Gamefulness: Defining âGamificationââ, Envisioning Future Media Environments - Conference proceedings, MindTrekâ11, Tampere, pp. 9â15.
The payback method is a simple way to evaluate the number of years or months it takes to return the initial investment. The payback period is usually expressed in years. Start by calculating net cash flow for each year: net cash flow year one = cash inflow year one - cash outflow year one.
The Web-based service (there's no mobile app) lets you send a page link that your friends can use to pay you back. Independent service providers, such as personal trainers and tour guides, can also use PayPal.me to request payment. Transactions for goods and services are covered by PayPal's purchase protection. Here's how you can use PayPal.me to conveniently ask for money. 1. Navigate to PayPal.me. 2. Click Get Started. 3. Enter your desired username. This will appear at the end of the URLs you send to people. 4. Click Grab This Link. 5.