1. 许多 is a synonym for 很多, as seen in the sentence 网路改变了许多人的生活习惯.

2. In Taiwan the character is pronounced hàn, as heard in 或是用网路下载电影和音乐等等.

3. We see the term 面对面 used in the sentence 或许是因为他们比较喜欢跟人面对面沟通的那种感觉吧.