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Still, he must have done something right, because Twitter users - including a lot of Twitter employees past and present - took to the social network to express their gratitude for Costolo's role in building up the company, many using the hashtag #ThankYouDickC.
thank you @dickc for being a great leader and all the jokes, hope your Murph time improves in the meanwhile :) #ThankYouDickC
- Chris Aniszczyk (@cra) June 11, 2015
I continue to be impressed by the transparency and humility that pervades @twitter. @dickc is a class act #ThankYouDickC
- Nola Weinstein (@NolaBeth) June 11, 2015
Thank you @DickC. You're an incredible builder of business, but more importantly a builder of culture #ThankYouDickC https://t.co/pTAEwqQcX5
- Bo Han (@bohan) June 11, 2015
No one has ever inspired me like @dickc. Most thoughtful, intelligent and compassionate leader ever. #ThankYouDickC #LoveWhereYouWork
- Alex Kowalsky (@alexmk) June 11, 2015
thank you @dickc for the best job I ever had
- Isaac Hepworth (@isaach) June 11, 2015