This will let you mail a lot of your friends by mailing your favorite article to just one single id. This is going to be really useful to you. Instead of typing the emails of your friends one by one you will get to send your mail to them just by one click.
Just go to Contacts->New Group. After creating go to your contacts, select the names you want to add them to your new group. Then under Groups button, select the name of the group. That’s all. Now try typing the name of your group in a new mail, it will show up in your senders' suggestions.