Pengaruh Karakteristik dan Kualitas Informasi Dari E-Commerce Live Agent dan Chatbot Terhadap Customer Satisfaction Dengan Moderasi Social Presence (Studi Pada Live Agent Dan Chatbot Shopee) = Influence Of Characteristics And Information Quality Of E-Commerce Live Agents And Chatbot On Customer Satisfaction With Social Presence Moderation (Study On Shopee Live Agent And Chatbot)