Anyone know some _expensive_ resources to learn Swift?

I'm not looking to learn swift actually haha. I have a few domain names I want to sell. I figured companies selling expensive resources tend to have more budget ๐Ÿ˜„

One of the domains is learnswift(.)com ๐Ÿ‘€

I tweeted Ray (@rwenderlich) from the Ray Wenderlich platform.. awesome content for noobs and profis.. Might have budget for such domain purchase

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