I think newsworthy is something worth being in the public, something that people need to know, something that can be shared in public.

We can see one definition of newsworthy can be found in the the free dictionary by Farlex.

news·wor·thy  (nzwûr, nyz-)

adj. news·wor·thi·ernews·wor·thi·est

Of sufficient interest or importance to the public to warrant reporting in the media.
newsworthi·ness n.