. >> reporter: "be my eyes" creator hans jØrgen wiberg spoke to us from his home in denmark. >> now,handle this type of video streaming. >> reporter: wiberg says there are currently about 20,000 users and over 230,000 volunteers, like brittany pearson of pittsburgh. wiberg hopes to develop an android app to reach remote regions around the world. >> especially in poor countries, you can get an android for way cheaper than an iphone. >> hold one second while i open the app. >> reporter: back in harlem, lynette and maria are grateful for the help with dinner. >> each little step people make on our behalf, we totally appreciate. >> we do. >> hello! >> how are you? >> reporter: "be my eyes," another little step that's making a big difference for the visually impaired. kristine johnson, cbs news, new york. >> thank you! >> axelrod: and that's the "cbs evening news for tonight. later on cbs, "48 hours." for now, i'm jim axelrod in new york. and for all of us here at cbs news, thanks for joining us. happy holiday and good night. captioning sponsored by cbs from the oakland hills. we're there