Academia.edu is a social networking website for academics.[4][5] The platform can be used to share papers, monitor their impact, and follow the research in a particular field.
The difference between POS transactions and ACH transactions is that POS transactions are complete the minute the customer purchases a product and/or service. ACH transactions can still vary from one to three days due to the fact that the transactions must first be âbatchedâ electronically, before they are sent to the Clearing House and/or the Federal Reserve.
Key Differences Between Purchase Order and Invoice. 1  Purchase Order is created by the buyer while the seller creates an invoice.  Purchase Order is issued to the seller whereas Sales Order is issued to the buyer.