For the latter, bills have been paid long ago (sunk costs), titles are carried in inventory at or close to zero cost, and direct mail campaigns will create a low cost of goods sold and will be able to sustain a lower rate of response.
A browser is software that is used to access the internet. A browser lets you visit websites and do activities within them like login, view multimedia, link from one site to another, visit one page from another, print, send and receive email, among many other activities.
Opera (web browser) Opera is a web browser for Windows, macOS, and Linux operating systems. It is developed by Opera Software. On 4 November 2016 Opera's consumer business, including the browser, was acquired by a Chinese group of investors under the name Golden Brick Capital Private Equity Fund I Limited Partnership.