Coming back to the topic of computer security, the TCP Wrapper is an example of such a safety net. I wrote it when my systems were under attack by someone who appeared to walk through walls. ↗
Clearly, if we'd had the kind of computer graphics capability then that we have now, the Star Gate sequence would be much more complex than flat planes of light and color. ↗
A lot of journalists like to suck up to celebrities, and then as soon as they're a safe distance away at their computers, they take shots. But that's the way society has become, especially in pop culture. ↗