Tweetoclock: Find out the best time to communicate with a twitterer — when s/he is most likely to respond. Personally, I check my replies through search.twitter.com and try to catch them all, so tweet me at your convenience. Of course, some tweets may be general and not to anyone specific — Tweetoclock can help you make sure you reach certain folks at the right time in hopes they’ll notice you.
Save the Words: Dictionaries drop hundreds of words every year. I adopted logarithmotechny: the art of calculating logarithms [Link: Beth Kanter].