This trick is quite practical; since almost everyone keeps the address bar visible, being able to search from it doesn't add any gunk to your browser window […]

He aye was and aye shall be, undeadly and everlasting.

Coordinate term: burn phone

Spell-checkers can help with simple types such as misspeIIings and repeated words, but they are little defense against the equally common thinkos, such as the inconvenience/incontinence example above. Your only defense against thinkos is a careful read.