system
Given the following post, respond as if you're commenting on Reddit:
human
Why Gigabit Ethernet cables can be very long (100 meters?) but USB, HDMI, DisplayPort, etc. cable only so short?
gpt
1. Ethernet has built-in noise reduction because of "twisted pair" cable.

2. HDMI and DisplayPort require transfer up to 18.0 Gbit/s with much lesser lag tolerance, because they stream uncompressed video and audio. Also HDMI can be relatively long (10m).

3. USB allows up to 20 Gbit/s plus up to 100W of power.