woanders ist es auch schoen

580776245958447104 580776245958447104 - @chl I think she confuses necessary with sufficient (correctly refuting wrong arguments for video doesn't prove the opposite)
/via @langreiter #

@chl: are videos essential for “good moocs”? LorenaABarba argues, quite convincingly, that this isn’t the case.

@chl: really? my reading was that LorenaABarba says they’re neither sufficient (+7) nor necessary (+0.7) …