[h1d]

This. As the price indicated, it was 1/10 the value of itself from the Chinese bubble while Bitcoin has reached all time high now until it realized its use as a good real world test of the Bitcoin's newer features when Bitcoin struggled to apply those due to political and financial conflict within the community but Litecoin went ahead being a much smaller community and is the first to have it activated.

Being almost identical to Bitcoin actually increased its value as its results can be a good indication for Bitcoin as well.

As a cryptocurrency, it's pretty much of no use but as a real world play ground for newer features for Bitcoin, it's pretty optimal and it just proved it has a room to stay than being irrelevant.

[Kinnard]

Well, if it's useful for all those reasons, and it can be traded for a useful cryptocurrency like Bitcoin and Ether and now USD and to do everything a cryptocurrency can do then its useful . . . right?

You basically just said it's Bitcoin's more progressive, more nimble cousin.