For years I used to write entries about my daily activities in an offline (paper) log so that I could go back and see how my time was spent. Then I forgot about it. Now I can keep a log online with twitter.com and update it via my Google Talk instant messenger. I do not even have to sign in to Twitter. Here is the log I started yesterday: twitter.com/affiliatebin Twitter can kind of give you an alibi, because you will know where you have been. Also see friendfeed.com/affiliatebin