A small technical issue: Some learners have reported that when they clicked on the links in our recent e-mail about OpenStudy, they were automatically subscribed to the study groups we pointed to. It seems like this only happens for people who already have a profile on the site, but are not yet subscribed to the 6.189 and 6.00 study groups. Depending on how you feel about such things, it’s either a feature or a bug, but apologies to anyone who found this behavior surprising or unsettling.
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