How to display or delete unread emails of a specific date range in Gmail

Do you have a large inbox, so many unread emails? It is common to have a large collection of unread emails.The unread email count going up and up again? But you want to make your inbox a light weight. How is that possible? Do you want to mark  all unread emails as read? What if you want to delete emails in a date range. Here is the solution for all problems..

Posted in: Email,Internet