a few feet, inside a sound proof room, there is also andy, otherwise known in the lab as atitas. he measures the clarity of the audio coming out of a phone. he wouldn't tell us who any of intel's customers are, but that are among the world's biggest phone and tablet makers. they will always their have their hands full because device is have to constantly improve and that means robots must adjust as people's expectations change. >> they see friends with a new device and say wait a minute, that's way better than the one i have. now their expectations are up here, even though the device they own is down here. >> reporter: inside the lab, engineers keep working to make your devices smaller and easier to use. josh lipton, "nightly business report", silicon valley. >>> and finally tonight, a user of the website read it who signed up for a secret santa exchange got the gift of a lifetime when she opened her present and realized it was from bill gates. in the gift box was a card that read to rachel from bill with a travel book and stuffed cow but the big present turned out to be a donati