Use a pair of fine tip tweezers and pull out each pin one by one. Then scrape off every surface mounted component in the center of the socket.
Finally, unscrew the outer bracket.
Voila, socket completely disassembled
It doesn't let you order in quick succession with rapid clicking. You also get email confirmations, so you have plenty of time to cancel any mistake orders.
Can't. You'll have to record full screen and then use some editing software to crop down to your desired resolution/aspect ratio.
Alternatively, play the game at 2560x1440 and have black bars on your monitor.