In early 2016, some users reported having received e-mails from Academia.edu where they were asked if they would be interested in paying a fee to have their papers recommended by the website's editors. This led some users to start a campaign encouraging users to cancel their Academia.edu accounts.
The main difference between zip code and postal code is that zip code is used as a code in United States while postal code is used in rest of the world. ZIP Code. ZIP code is postal code system that is being used by U.S. Postal Service (USPS) since 1963.
ZIP codes per provinces according to the first two numbers. ZIP codes per cities and municipalities in Metro Manila according to the first two numbers. In the Philippines, the Philippine ZIP code is used by the Philippine Postal Corporation (Philpost) to simplify the distribution of mail. While in function it is similar to the ZIP code used in the United States, its form and its usage is quite different. The use of ZIP codes in the Philippines is not mandatory, however it is highly recommended by Philpost that they be used.