Cancel current item (sometimes needed to return focus to root window)

`escape`

All hotkeys for Google Reader (Web Application)

Reading List Navigation Next/previous item	`j` / `k` or `space` / `shift+space`
Reading List Navigation Select next/previous item in list view	`n` / `p`
Reading List Navigation Expand/collapse item in list view	`o` or `enter`
Reading List Navigation Expand all items	`1`
Reading List Navigation Collapse all items	`2`
Reading List Navigation Increase/decrease text size	`=` / `-`
Reading List Actions Star item	`s`
Reading List Actions Like item	`l`
Reading List Actions Tag item	`t`
Reading List Actions Email item	`e`
Reading List Actions Share/unshare item	`shift` + `s`
Reading List Actions Share item with a note	`shift` + `d`
Reading List Actions View original	`v`
Reading List Actions Add subscription	`a`
Reading List Actions Comment	`c`
Reading List Actions View comments	`shift` + `c`
Reading List Actions Mark item read/unread	`m`
Reading List Actions Mark all items read	`shift` + `a`
Side Pane Navigation Next/previous subscription or folder	`shift` + `n` / `p`
Side Pane Navigation Expand folder	`shift` + `x`
Side Pane Navigation Open selected subscription or folder	`shift` + `o`
Application Navigation Go home	`g` then `h`
Application Navigation Go to all items	`g` then `a`
Application Navigation Go to starred items	`g` then `s`
Application Navigation Go to shared items	`g` then `shift` + `s`
Application Navigation Go to subscription selector (then use arrow keys)	`g` then `u`
Application Navigation Go to tag selector	`g` then `t`
Application Navigation Go to trends page	`g` then `shift` + `t`
Application Navigation Go to discovery	`g` then `d`
Application Navigation Go to friend selector	`g` then `f`
Application Navigation Go to friends' shared items	`g` then `shift` + `f`
Application Navigation Go to comment view	`g` then `c`
Application Navigation Go to explore	`g` then `e`
Application Navigation Go to popular items	`g` then `p`
View and Application Actions Refresh view	`r`
View and Application Actions Full screen view	`f`
View and Application Actions Hide/unhide the side pane	`u`
View and Application Actions Focus search box	`/`
View and Application Actions Open list of keyboard shortcuts	`?`
View and Application Actions Cancel current item (sometimes needed to return focus to root window)	`escape`