What makes a great letter of rec?

[SeinfeldFan1]

<p>Schools say they care about recommendations, but I was wondering, what exactly does a great letter of rec say? Does anyone have examples or actually documents that they consider to be "great" letters of rec?</p>

[T26E4]

<p><a href=“How to write good letters of recommendation | MIT Admissions”>http://mitadmissions.org/apply/prepare/writingrecs&lt;/a&gt;&lt;/p&gt;