Google Gmail is an excellent email service so you might find yourself using it for everything in your life: from work related email to everyday emails, to corresponding with friends and family. But accounts can be de-activated, emails can be lost or mistakenly deleted. And you might want to have all your attachments that are received via Gmail to be immediately available in other cloud services such as Dropbox.
Here are the short instructions on how to backup and sync all your Gmail emails with Dropbox.
CloudHQ - sync your cloud
Clipping is a handy way to collect important slides you want to go back to later.