CC Vs BCC:

# CC on the email means 'Carbon Copy' which means you want to send it to other people besides the primary email address to which you have sent the original message....When you use the CC feature, EVERYONE to whom you send the message can see ALL of the addresses to which you have sent it.

# BCC means BLIND CARBON COPY. It has the same benefit of being able to send a message to lots of people but the added bonus of keeping all of the email addresses hidden from everyone else.