Questions on "The Internet of Everything: Relevant and Valuable Connections Will Chang..."

Question for "The Internet of Everything"

How internet of everything talk to each other?
Wi-Fi, LAN, Mobile Network(3G, 4G,..), home network

Local network or Internet? May be people want just local network, not to be access by internet
ipv6 should provide enough end-point, private cloud or public cloud, and hybrid cloud

What is the protocol between them?
The transportation should be TCP/IP, HTTP, or HTTPS


What is the ways for service discovery, Services definition?
"Hi, I am a washing machine, I am run out of powder...?

Setting access right of website images but not hiding the folder

Setting access right of website's resources but not hiding the folder

All the folders were set to 751
The resource files(images, video) were set to 774