This is also the place to go after the event when you want to see it with sign language. As this is again a prerecorded video instead of a live presentation, it's possible that Apple will simultaneously stream an ASL version, but it will definitely make one available later. However, ...
carefully install the Broadcom card you bought, securely fasten the antennas to the new card (and be careful doing so, as both the cables and card are fragile) and screw the new card in, then plug the power cable back into the battery and replace the case. (Test to confirm the ...