The more useful aspects of the internet may be complicated, but understanding their impact can be worth the time.

At first blush you probably would not expect the following to print “-1”; as you probably expect “system” to execute and return the return code from “echo”
Our low power mesh WiFi project has been slowly growing in coverage, and we are now serving between 250 and 300 users per day with free broadband access.
Reducing recurring junk postal mail is easy, and the time invested pays big dividends. There are quick and easy ways to reduce your mail flow.
Email is the Internet’s killer application. While the web is essential, it’s email that most folks use first, every day.
In the Carterphone decision of 1968, the Federal Communications Commission allowed customer-owned devices to be connected to telephone lines.