Google Glass’s chances of being a big commercial hit aren’t very good if it keeps losing fans left and right. Earlier this month we brought you the tale of Jeff Jarvis, the longtime Google fanboy who came out and admitted that he “*hates*” Google Glass so much that he feels “embarrassed” for ever having ordered one. Now CNET reports that Chris Barrett, another Google Glass early adopter who famously tried his luck at bringing Glass with him into a casino, has all but stopped wearing the headset because it regularly gave him pounding headaches. “I have it on my desk every day, but I just don’t have a good enough reason to wear it,” he tells CNET. “It’s not worth the