preshare
/ˈprɛʃeɪr/Definitions
1. verb
to share something in advance, especially online, before it is officially released or made public.
“The company decided to preshare some details about the new product launch to create hype among their followers.”
2. noun
a piece of information or a teaser shared in advance, often to generate interest or excitement.
“The preshare for the movie trailer received a huge response from fans on social media.”