You can export and download your data from Gmail and extract emails with latest lite 1.8. You can download data that hasn't been deleted. You can create an archive to keep for your records or use the data in another service. People are much busier in this modern and fast age. They may not be able to go through a whole article or blog to get some hyperlinked web addresses, or they might not have enough time to obtain only email addresses from a whole gigantic text sheet or document.