Using Radian6, we streamed tweets containing this hashtag for about 14 months (421 days) from November 1st, 2011 to December 25th, 2012. In total, we collected 25,284 tweets with the hashtag #engineeringProblems posted from 10,239 unique Twitter accounts. Counting re-tweets, replies, and mentions, a total of 12,434 unique user accounts were involved. After removing duplicates caused by re-tweeting, there were 19,799 unique tweets in this data set.