A search technique you can do on Twitter

Watching now ~ containing both “watching” and “now”. This is the default operator.
“happy hour” ~ containing the exact phrase “happy hour”.
love OR hate ~ containing either “love” or “hate” (or both).
beer -root ~ containing “beer” but not “root”.
#haiku ~ containing the hashtag “haiku”.
from:alexiskold ~ sent from person “alexiskold”.
to:techcrunch ~ sent to person “techcrunch”.
@mashable ~ referencing person “mashable”.
superhero since:2010-12-27 ~ containing “superhero” and sent since date “2010-12-27″ (year-month-day).
ftw until:2010-12-27 ~ containing “ftw” and sent before the date “2010-12-27″.
movie -scary   ~ containing “movie”, but not “scary”, and with a positive attitude.
flight   ~ containing “flight” and with a negative attitude.
traffic ? ~ containing “traffic” and asking a question.
hilarious filter:links ~ containing “hilarious” and linking to URL.
news source:twitterfeed ~ containing “news” and entered via TwitterFeed.