> This happened on November 17th 2016, and I am just publicly disclosing it today. > While transferring balances between accounts on an unstable internet conne

> This happened on November 17th 2016, and I am just publicly disclosing it today. > While transferring balances between accounts on an unstable internet connection I saw that the system did a double transfer resulting in one card having a negative balance. > This reminded me of issues I reported in the past with Starbucks US, and Starbucks TH. Both of those entities had major issues with race conditions. How does this happen in 2016? It's as if software developers have somehow gotten collectively worse than they were 20 years ago.