Ethan's following
- sunnycasesunnycase
- YAMAMOTO Masayapandax381
- Tian Gaogaogaotiantian
- Hu Jinleihuqianshan
- Daniel Mangumhasheddan
- mike-box
- Miigon
- ArjanCodes
- Arjanegges
- Bob Huanghuangyibo
- CloudWeGocloudwego
- Jason Turnerlefticus
- Lei Maoleimao
- stanford-cs161
- ML@Bmlberkeley
- Ma Mingfeimingfeima
- Kevin Finekdog1594
- Dredlingbai-kong
- Maciej Gajewskimaciekgajewski
- Yinmin ZhongPKUFlyingPig
- CS61C61c-teach
- ijpq
- Shaozuo YuSAOHPRWHG
- Yuxing Zhouzyxyoshine
- Tristan Brindletcbrindle
- Jeff Forcierbitprophet
- Xiaoding YuanXD7479
- CppConCppCon
- BowenBowenXiao1999
- rukiwaruqi
- Lianmin Zhengmerrymercy
- AveryAveryQi115
- Fenghe XuBill0412
- Andy Pavloapavlo
- Jiarui Fangfeifeibear
- MonKey Leemonkey2000