chris clackum, nbc news. >> maya angelou's last tweet came fives day ago. quote, listen to yourself and in that quietude, you might hear the voice of god. >> angelou's impact was felt worldwide, including here in the bay area. in fact, she made history on the streets of san francisco as a teenager. nbc bay area's christie smith is live in san francisco. christie, angelou had some very strong ties to this area. >> yeah, good morning to you, scott. you know, we all know her for her writing, her powerful voice, her commitment to civil rights, but here in san francisco today, she's being remembered for something else. she's being remembered as a streetcar conductor and a real pioneer. someone who helped the break down barriers decades ago in the city. maya angelou passed away at age 86. but when she was just 16, she was believed to be the first african-american streetcar conductor in this city, encouraged by her mom. there's a replica of that type of car she would have been in. back then, the streetcars were a two-person operation. she was the conductor. she wo