You can find people uploading pictures of their journals on many social media websites. Some people also like to blog about their journal and the materials they used.
Look up these hashtags on social media such as Instagram
#Journaling #JournalAddict #Hobonichi #BulletJournal #PlannerAddict #MidoriTravelersnotebook
Check out these links for topic ideas for writing. Such as keeping a journal related to dreams, ideas, or career progress.