The digital divide

The 21st century version of the haves vs the have nots, can this factor throw an old school monkey wrench into our carefully crafted, technology integrated lesson plan? we are being taught to apply all the new toys to connect to the digital learners that populate our classes but what about the few holdouts of the 20th century. i guess like anything in life we need to know the skill but we also need to know when to employ it.