Add information from Mail to your address book

The easiest and simpliest way to add contact to your address book from your Mail.app is by:
1. Put your cursor on the address (anywhere in the body of the message whenever there is an address)
2. Right click it and select ‘Create new contact…’

Leopard is the most advance operating system with simplicity

Since your are on this topic, you could also select ‘Show map’ to see it on Google Map. Or just want to create a new todo? Simply select ‘New todo’