Mobile payments are changing the way people pay for real-world goods and services. Since the introduction of the first plastic credit card in 1959, transactions have undergone a slow but monumental shift. It’s taken more than 60 years to reach the critical tipping point where over 50% of payments in the US are cashless. Cash was immediate and required no identity.
gesture & special mobile
Conceptual Dependency (CD) is a content theory of how to represent simple sentences.