I find there's a sweet spot for Anki when the daily review of already-existing cards takes 20 minutes. If the daily review takes more than 25 minutes, I try not to add any cards that day.
The legislation that made Bitcoin legal tender in El Salvador does not legislate the use of Strike. Businesses can use whatever system they want, as long as they can accept payment in Bitcoin. Strike is providing a service that allows any business to take Bitcoin lightning payments and have them automatically converted to dollars, for businesses that do not want to hold Bitcoin. It's not fair to just call this a "sql database" because it's connected to an open payment network and the customer can use whatever means they want to pay the business, even if the business decides to just uses Strike.
He claimed that they would "show where he lived," not necessarily publish his address. I don't believe the Times would publish his address, but I do believe they might put enough information in the article to make it easy to figure out.
I learned Chinese characters using this method and found it very helpful. It's not very popular among Chinese learners or teachers because it's unintuitive. In many cases the keywords of the characters you are learning are imprecise or goofy. But the point of the method is to rapidly form mental chunks at the character level so that later you can focus on a higher level of abstraction.
Sierra adventure games were my favorite single-player games from my childhood. I understand why a lot of people don't like them, e.g. many of the puzzles have nonsensical solutions, it's possible to get stuck because you didn't get an item in an area that you can't return to, etc. And the games haven't really aged well. But for the time they were my favorite.
It's not that difficult to get to the 95th percentile in Overwatch or Bridge because no one at the 95th percentile receives much compensation, monetary or otherwise.
When significant compensation is awarded to the 95th percentile of some field, attaining the 95th percentile is much more difficult.
It depends. Spaced repetition can be used to mindlessly memorize formulas, which I agree is not useful. Or it can be used in the way described in this article (http://cognitivemedium.com/srs-mathematics), which can lead to a deeper understanding.
Do you think people should stop working on LN? I think it's a good way to scale right now, regardless of whether or not it can theoretically handle the transactions of hundreds of millions of people.
There are probably going to be some big entities in the Lightning Network ("lightning service providers") that average users use to open channels in exchange for a fee. These LSPs need to closely monitor for malicious transactions, but the average user doesn't have to. The average user would only get ripped off if their LSP broadcast an invalid transaction. In that case, they could prove it to the network and everyone would leave the LSP. Eventually there will be long-standing LSPs with good reputation. People can open long-running payment channels with them. If on-chain transaction fees get really high, they could be set to timeout after a year. That gives both parties plenty of time to notice an invalid transaction. If they're paranoid about DoS or timing attack, they can close the channel a few days before it times out.
That's my understanding only from reading a few articles about how Lightning Network works, so what I'm saying might be ridiculous and I could be completely wrong.
Lightning Network is primarily off-chain transactions, but parties don't have to trust each other. If you open a payment channel with a malicious party, there's no way for them to benefit, and the worst they can do is make you wait a few days for a timelock to expire in order to withdraw your funds. Admittedly, that's a bit of a nuisance, which is why I'm surprised fees for Lightning Network transactions are so low currently (approximately $0.00). I've already used Lightning Network several times without ever doing KYC.