"Useful information" refers to any knowledge or data that can be helpful, practical, or valuable in some way. It is information that can be applied or used to solve problems, make decisions, or achieve a desired outcome. Full definition
All you do is point your smartphone of tablet at the night sky and the app automatically shows you lots of useful information about what you are seeing. (geekwrapped.com)
Your readers will appreciate learning about new sites, and by providing useful information about related sites, you'll enhance the popularity and usefulness of your own. (legalblogwatch.typepad.com)
This Service appreciates the general public for its support and cooperation in providing useful information on criminal elements in their domain. (nigeriapoliticsonline.com)