Communication

3. is an online service platform or site that focuses on facilitating on the building of social relations among people
5. uses electrical signals, usually conveyed via telecommunication signals on radio
6. is a method of exchanging digital messages from an author to one or more recipients
7. is the collection of computer and other hardware components interconnected by communication channels
10. a global system of interconnected computer networks that serve billion users worldwide
12. device that can make and receive telephone calls over a radio link

1. effective messengers due to their natural homing abilities
2. oldest form of long-distance communication
4. is a telecommunication device that transmits and receives sounds
8. is the transmission of signals through free space by electromagnetic waves
9. is a scheduled publication containing current events, informative articles, diverse features, editorials, and advertisements
11. is a telecommunication medium for transmitting and receiving moving images
12. a system for transporting letters and other tangible objects