A survey of software users shows that a software is usually used by 1,000 users. If a software is downloaded and installed 55 times a day, the popularity of this software will increase rapidly, with a maximum of 12 million users. It is based on the behavior of other users to choose to install this software, and rarely pay attention to its inherent characteristics. According to the above description, it can be inferred:. ['The most popular software on the website is not necessarily the most useful software.', 'It is not wise to refer to other people choosing to install software.', 'Not all software launched on the website is useful.', 'Some software installed by the user may be deleted.']