The next billion crypto users shouldn't have to pay to make crypto usable. They shouldn't have to deal with long addresses that could lead to huge issues like them losing funds. What's the Gmail of wallet addressing?

Your tokens are stored on a public address. Your ability to access them requires a key (or your seed phrase). You need to keep your seed phrase safe to protect your assets. Never give your private key to anyone else. 

Using two-factor authorization for your exchange account is necessary.

Be wary of phishing attacks where hackers send a fraudulent

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In summary, account abstraction moves crypto from the current approach of one-account-fits-all, where someone can lose everything with a small mistake, to a future where an account can be tailored to someone's needs. Where you can build a safety net for self-custody. And give them much slicker UX too.