Learn Online English Speaking

Is this way of learning a language effective?

Should speakers of mutually intelligible (but still different) languages or dialects who are friends or romantic partners modify their speech to be more similar to that of their partner?

What is the best free way to learn a new language?

Flash cards

How long will it take me to learn mandarin (estimate please)

The definition of a native language in this sub is wrong

Passive vocab input experience

My biggest regret with language learning

Advice needed!

Are there any books (or other media) that cover modern research into language learning and language acquisition?

Lingoda Super Sprint Alternatives?

Should I use Italki? Looking for advice on how to choose teachers, lessons, schedules.