When an online auction site increases its number of users, then the value of the site increases for everyone. This is an example of the . gig economy
democratization of technology
network effect
Internet of Things

Each time you save a document, you will need to type in the file type in which it should be saved you can select the save button to save it with the same file name if it has been previously saved you will need to select the location to save the file you will need to use the save as dialog box