Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
AT&T is a US-based telecoms company, and the second largest provider of mobile services and the largest provider of fixed telephone services in the US.
GoPayment is a payment management and mobile payment gateway allowing vendors to process credit card transactions via mobile application. The mobile payment platform uses a credit card reader plugin enabling users to processGoPayment amounts and request customer electronic signatures via a touch sensitive screen.