Effects of Varying I²C Pull-Up Resistors is a great article on a problem with the current Arduino I²C library (enabling internal pull-ups), and demonstrations of the effect of various pull-up resistors. It’s very much worth the time.
The link you reference is no longer valid. This one works:
Thank you for the notification, Mark! I updated the link.
Looks good! Feel free to either delete my previous comment or change it to past tense.
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