Hong Kong protesters are not only taking their message to the streets.  Thousands are volunteering to create graphics, posters, videos and other content meant to promote their cause.  The South China Morning Post spoke to “Y”, who manages a group chat with about 5,000 members on the encrypted messaging app Telegram.  A member of an informal public relations (PR) team that supports the movement, “Y” designed of an iconic bloodstained version of the city’s bauhinia flag that has become a…