Heads up, card swipers, because Square has just issued an update to its iOS credit card app. Version 2.1 brings enhanced transaction speeds and a streamlined tipping interface to iPhone and iPad users, along with added support for $0.00 price points. Plus, any purchases below $25 will no longer require a signature, meaning you can safely buy that latte while keeping human interaction to a bare minimum. If you're interested in making the jump, hit up the source link below.

[Thanks, Chris]

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