Shake Shack has second thoughts about that whole “cashless restaurant” thing

When it comes to technology, this exchange between 30 Rock’s Liz Lemon and her on-again, off-again boyfriend Dennis Duffy always comes to mind. Dennis, the self-proclaimed Beeper King, claims that “Technology is cyclical.” Liz quickly points out, “No, technology is not cyclical!”—we picture it more like a straight…