MTU Networking and Maximum TCP Packet Size. Definition: The MTU is the maximum size of a single data unit (e.g., a frame) of digital communications. MTU sizes are inherent properties of physical network interfaces, normally measured in bytes. The MTU for Ethernet, for instance, is 1500 bytes.
Harlem Shake videos are a great example of contagious diffusion, or when a cultural trend is transmitted from person to person from an original source to numerous others, similar to a virus.
Relocation diffusion is characterized by physical spread of an idea through the movement of people. Expansion Diffusion includes several types of diffusion. Hierarchal diffusion is spread through a given class, stimulus diffusion is the spread of an idea after reestablishing it after initial failure, and contagious diffusion is the rampant spread of a given idea.