Match each unit with its basic function. One function is extra.Example: 0 CellsAnswer: communication via mobile data
Skype
пустоcommunication via mobile data
Amazon
пустоtransferring files from one computer to another
Facebook
пустоvideo conferencing
Windows
пустоproviding an access to the information
YouTube
пустоe‑commerce
Application
пустоoperating system
Microsoft Word
пустоdiversity of videos
Flash drive
пустоsocial networking