The Network World story, "9 hot technology startups to watch in 2012," contained an error in a quote in the section about the startup Typesafe. The story, versions of which posted both on Jan. 5 and on Tuesday, has been corrected on the wire and that quote now reads:

"The scalability limits of the Ruby language was one of the leading causes of the 'Fail Whale,'" he says. "Since adopting Scala, Twitter has scaled somewhere around 1,000 times."