Just a month after letting anyone in the US buy Google Glass as part of a one day sale, Googles making it available to everyone once again. Google says its built up its stock again, and wants to get the device in the hands of anyone who wants to buy it — as long as its got the units on hand. The previous sale lasted just a day, with Google calling the response \overwhelming,\ noting that it very nearly ran out of stock in the process. Glass first went on sale two years ago at Google I/O 2012, with Google offering about 2,000 pairs of the glasses for those who bought into its vision of the future.