KK recommends Nomorobo as effective in reducing robocalls on his landlines and mobile; 2018 May 27.

110-volt outlet box that interfaces to 3 to 5-volt digital control signal; Cool Tools review, 2018-May-15

“I’ve been using the Utility Shower Curtain, a simple but brilliant upgrade to an everyday object, for the past few months. It is, very simply, a shower curtain with four draining pockets sewn on the inside and two towel loops on the outside. What once was a shower crowded with shampoos and conditioners (I have two roommates) is now considerably tidier.”

Re-recommended by KK; 2018-Apr-30: "I wanted a reliable [book which] could introduce me to the philosophy of type and then also practically guide me through the jungle of fonts to ones that work best."