The information has to be useful.     1     at random can be an enjoyable pastime, but it will not be for the     2     of the public. The     3     user must be able to subscribe easily to services that fit his or her needs. An intelligent browser that does the searching for     4     information automatically needs to be developed further. Content filters need to be perfected, and search engines need to be able to     5     usable information. Even now, the information available ranges in quality from wonderful, to poor, to completely useless.