Okay, considering the proliferation of computers, smartphones, and tablets, does anyone even use pen and paper anymore. I don't need to sound like the lone writer here, but I have been known to do the first drafts of my writing with pen and paper because it is very, very relaxing. I generally don't worry about making errors at that point, but imagine if a pen could warn you … [Read more...] about Lernstift is a pen that can correct your writing