1) The document discusses various online payment options including e-wallets, online payment gateways, bank transfers, and cash on delivery.
2) It promotes the benefits of using e-wallets like NgânLượng.vn for both businesses and individuals, highlighting convenient payment methods, safety, trust, reasonable expenses, and success of global leaders like PayPal.
3) PayPal is presented as the leading e-wallet with over 250 million accounts globally and being more popular than Visa/Mastercard in some markets due to its ubiquity and integration with many online stores.