direct connect

Hello, When I take a screenshot then there is no option to share it via Facebook Messenger app. I can share it for example on Pinterest, but If I would like to share it via Messenger then I need to save screenshot in Photo app and after that share it via messenger. How to restore Messenger...

Looking for pros and cons; all things equal If one has nothing on a thunderbolt bus, bus 1 for example, is there any benefit to directly connecting two separate thunderbolt displays directly to the two thunderbolt ports for bus 1, verses connecting one TB display to the nMP and daisy chaining...