Similar to スモール・ワールド現象

Tupolev ANT-20

AOL

AppleScript

Consolidated B-24 Liberator

Convair B-36 Peacemaker

210 mm gun M1939 (Br-17)

305 mm howitzer M1939 (Br-18)

BTR-80

B-tree

Call Level Interface

Capability-based security

CASBEE

CHOP (chemotherapy)

Common Object Request Broker Architecture

Central processing unit

Douglas DC-4E

Douglas DC-7

DECnet

1349 (band)

Social network

Template:Social networking services

Amino (app)

Ambient awareness

Uberisation

Erdős number