If you activated the new Inbox Tabs then after a while you find yourself not liking them that much and would like you old priority inbox back, this is what you need to do.
Sometimes people send you a whole lot of attachments in their email and downloading one after another can be really time consuming. Let me show you how simple it is to download all attachments at once.
If there is a vast number of unimportant unread emails accumulating your Gmail inbox and it's starting to bother you, but you don't have time or nerves to mark them as read page by page, this is what you can do.