History
evidence of a persons actions
Unlike the telephone, information posted on the internet is open to the public. Anyone can view it, it is not necessary to "tap" it, and the police can collect it and use it as evidence without a warrant, much as they could watch your behavior in public and use it as evidence.
Zero percent. There is no evidence to suggest that internet use causes brain lesions.
It is difficult to determine an exact number of people who use the Internet incorrectly, as it can vary depending on individual behaviors and interpretations of "incorrect" use. However, there is a significant portion of users who may engage in unsafe practices such as sharing personal information, falling for scams, or spreading misinformation. The best approach is to educate users on safe and responsible Internet usage.
There are many jobs which use the internet and marketing daily. Radio stations rely on the internet as well as marketing their station so persons tune in. Office supply or industrial companies often use marketing and the internet as a resource daily.
Trespassing.
Self-control
Yes, you can. It is called Internet tethering. It usually costs extra.
Yes, it is called "Wi-Fi".
Client/server applications
Internetwork refers to the guide to the internet organized by topics. By use of the internet search, these topics can be easily accessed.
With my current knowledge, I cannot currently find a non-biased opinion of the internet. Have you tried searching on google, or ask? That might prove to be of some use to you :D