American Express Personal Savings Account

I love my ING account, it makes everything easy, but why isn’t the American Express 1.70% High Yield Savings Account been advertised more? In online bank aggregators, they list the best savings accounts and rarely is this one mentioned. I am very curious to know why people aren’t talking about it. Ally is mentioned a lot, with their 1.55% rate, but it’s not the best. I’m temped to open an account to find out the advantages and disadvantages. Has anyone had any experiences with them, positive or negative?

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