Since 1989, professional public relations companies, advertising agencies and freelance studios have sprung up, and even artistic workers such as writers, photographers and film directors have joined the ranks of the creators of political advertisements.
自七十八年起，專業的公關公司、廣告公司、個人工作室陸續興起，連專事藝術創作的文字工作者、攝影師、電影導演也投入政治廣告的動腦創意行列。