实践、认识、再实践、再认识，步履不停，求索不止。
The BBC asked Facebook why it couldn't use its facial recognition technology to assist the hunt for Lucy. It responded: "To protect user privacy, it's important that we follow the appropriate legal process, but we work to support law enforcement as much as we can."
，这一点在heLLoword翻译官方下载中也有详细论述
Москалькова заявила о новых условиях Киева для возвращения россиян с территории Украины14:51
printf("Subsystem hash expected %08x actual %08x\n", hdr.subsystem_hash, actual_subsystem_hash);
Confirmed that people develop using the stable compiler and keep up with releases, trusting our stability and compatibility guarantees. On the other hand, people use nightly out of "necessity" (for example, something not yet stabilized). Compared to last year (link) we seem to have way less nightly users. This may not be a significant data point because we are looking at a sliding window of releases and differences could depend on many factors (for example, at a specific point in time we might have more downloads of the nightly compiler because of a highly anticipated feature).