This paper tablet, pen, and app combo lets you take physical notes on real paper with an ink - equipped pen and sync them to your phone or tablet. (pcmag.com)
However, both of these currencies have very little physical notes in circulation. (netpicksetfinvestor.com)
Make a mental or physical note of their name and use it during the interview, so you remember it for your follow - up. (thebalance.com)