Grumpy Old Geeks Products RXBar Product RXBar 2 mentions in 1 episode A protein bar advertised during the episode. Mentions 265: 5 Easy Ways To Keep Facebook from Listening To You Jun 25, 2018 0:00 This episode of Grumpy Old Geeks is brought to you by RxBar. 12:40 This episode is brought to you by RX Bar. RX Bar is a whole food protein bar.