Holladay, meanwhile, turns collision detection on its head to funnel an object into place, such as balancing a delicate object with a free arm before setting that object down.
In recommending against PSA tests for early signs of prostate cancer, the United States Preventive Services Task Force has struck another blow for a head-in-the-sand approach to early detection of fatal illnesses.
Those being affected by spam and the number of spammer accounts escaping detection are "not tracking in an upward direction, " says Del Harvey, Twitter's head of trust and safety.