请根据以下短文内容，回答短文后面的问题，答题词数不得超过10个单词。 Many of us read news every day.It's probably because we'd like to know what's happening in the world.Today we can get news from TV or the Internet,but how did ancient people get news? At the very beginning,information spread by word of mouth.People living in tribes(部落)got news from neighbors or travelers.Ancient Romans changed the way people knew about their communities.They posted a list of daily happenings at public squares in the cities.Ancient Chinese people did it in another way.The government had news sheets sent to officials in the whole country so people could know what was going on in the capital. The fifteenth century saw big progress in printing technology in the West.The progress brought a sudden rise of news business.Printers sold whatever people loved to read.In the sixteenth century,the first real newspapers appeared.People started to form the habit of reading newspapers.They liked to share their opinions on newspapers.The invention of telegraph(电报)machines led to another big step in history.News stories were sent to the papers in minutes instead of weeks. Now we get news in seconds from all over the world.We can become some kind of reporters by posting online what happens around us.