9 software for use in posting, transmitting, retrieving, receiving, reviewing, organizing, searching and managing text, audio, visual and multimedia data and content via computers, tablets, mobile phones, wired and wireless communication devices, and optical and electronic communications networks; software for use in creating, posting, displaying, transmitting, retrieving, receiving, reviewing, organizing, searching and responding to online marketplace listings for goods and/or services via computers, tablets, mobile phones, wired and wireless communication devices, and optical and electronic communications networks; software for use in processing electronic payments, verifying data for identity authentication via computers, mobile phones, tablets, wired and wireless communication devices, and optical and electronic communications networks; software for use in creating, posting, displaying, transmitting, retrieving, receiving, reviewing, organizing, searching and sharing a user's buyer or seller transactions, buyer or seller preferences, buyer or seller reviews, buyer or seller feedback and buyer or seller ratings via computers, tablets, mobile phones, wired and wireless communication devices, and optical and electronic communications networks