Gmail "Mark as Read": Shift + I



Other useful keyboard shortcuts:


Display a list of Gmail keyboard shortcuts: Shift + / or (?)
Select all unread conversations: *, then u


Also, you could map K to "Mark as read," just like in Yahoo mail. The "Custom keyboard shortcuts" Gmail labs feature lets you customize your keyboard shortcut mappings. It adds a new Settings tab from which you can remap keys to various actions.

...or you can add a "Mark as Read" button via another Gmail labs feature.

What is the keyboard shortcut for 'Mark as read' in GMail?
Is it possible to have a convergent subsequence of a divergent sequence? Thanks!
