#Tip5: Find and Replace by Hand
##Search 'target' and replace all the 'target'
:%s/target/replacemnet/g
##But one by one?
##/target
search document for next match.
##*
execute a search for the word under the cursor at that moment.
##*nn
cycle through all matches, taking us back to where we started.
##cw
delete to the end of the word and drop us into Insert mode.
