This brand name is a playful blend of two words: " pin" and "announcement". The name could be used by a web app company which operates an announcements sharing website.
The word "pinnounce" contains nine characters and just two syllables. Two-syllable names are very rare and extremely desirable. Two syllable names are used by established brands like Delta, Pocket and Dropbox.
This domain was first registered in August 2016. Older domains have an advantage when ranking in search engines.
Pinnounce.com is a dot-com domain. Dot com domains are synonymous with websites. Once secured, a dot-com all but guarantees no-one else can outrank you for your own name in the long run.