The document discusses how the General Data Protection Regulation (GDPR) coming into effect in 2018 has caused sleepless nights for developers similar to the Y2K issue in 1999. It notes that every developer should understand the details of GDPR, which it then summarizes as having 8 requirements for personal data handling, 4 pieces of advice, and 3 warnings. The requirements include features for deleting personal data, restricting data processing, exporting data, and editing personal data.