[forgotpwtomain]

Potentially this could have been titled: 'Technology, Freedom, Economics and Scarcity'. Rebecca is rarely well articulated, her arguments are innovative, nuanced and delightful to read; to which the closed social network issue seems merely as an aside.

[jrm415]

Perhaps you meant that she is _really_ well articulated (rather than rarely)?

[forgotpwtomain]

No, I meant _rarely_ as in it is rare to find a person so well articulated in their argument.

[bbcbasic]

I took it as she is articulate only on occasion.

[swagasaurus-rex]

it was a rarely well articulated appraisal

[throwanem]

'Unusually' better captures the meaning you intend. Both words denote roughly the same, but they differ a great deal in their connotations.