I notice that we are now getting a bar listing hot questions from across the SE network. I thought we'd settled for no cross-site advertising in MO2.0.

To better understand the advantages and disadvantages of having MO questions featured in the list of hot network questions, as discussed here and here, it would be useful if Stack Exchange could release concrete data regarding how much traffic is generated by users clicking MO questions from this...

“Measures to separate MO from the rest of the stackexchange network”, and various other recent meta questions, have discussed (among other things) opting out of the stackexchange-wide hot list. I’ve not seen anyone yet addressing the sub-question: what downsides, if any, could such an opt-out ha...