问答题 What does the author mean by saying that "public interest defeated the private, and the technologies flourished" (Para. 2)? Give some examples.

【正确答案】

【答案解析】emergence of new technology threatens old ones/public interest welcomes the new technology/private interest wants to keep the old one/legal support for the new technology/ new technology flourishes and brings profit/example, homevideo market 3 times bigger than Hollywood box-office receipts