Twitter search upgraded to pull in results older than last week

The ease of dumping our historic/inane messages into Twitter has fueled the service's growth so far, but the ability to retrieve relevant ones later has, until now, lagged behind. CEO Dick Costolo promised last year that the company was working on "architecting search" to allow access to the archives, and today the company announced its search feature is finally able to include tweets that are more than a week old. That follows the release of archive dumps that allow users to mass download and s...