One challenge is having enough training data. Another is that the training data needs to be free of contamination. For a model trained up till 1900, there needs to be no information from after 1900 that leaks into the data. Some metadata might have that kind of leakage. While it’s not possible to have zero leakage - there’s a shadow of the future on past data because what we store is a function of what we care about - it’s possible to have a very low level of leakage, sufficient for this to be interesting.
Why the FT?See why over a million readers pay to read the Financial Times.
，这一点在heLLoword翻译官方下载中也有详细论述
Everything Pro has plus:。业内人士推荐Line官方版本下载作为进阶阅读
Part of the explanation for why so few users will need to verify their age is that Discord already uses an internal "age determination" system that looks at "how long your account has existed, whether you have a payment method on file, what types of servers you're in, and general patterns of account activity."