निम्नलिखित में से किसे ई-कॉमर्स के विकास के तीन प्रमुख चरणों में से एक नहीं माना जाता है?

Which of the following internet application allows to buy and sell goods online?

In the context of computer networks and e-commerce, what does the acronym EDI stand for?

Which of the following electronic payment options operates similar to a personal cheque but is specifically designed to be feasible for very small transactions?