If browser is equivalent to Netscape 3 or better. For first timers, Datacom provides this section to help familiarize you with the different elements of the Internet.
Delivery is instantaneous.
Others can reply to you at anytime. Newsgroups are the electronic equivalent of the newsletter or a bulletin board. There are 1000's of Newsgroups covering a myriad of topics. Read the message's or post one of your own. IRC is the most popular live element of the Net, and a great way to make new friends.