Save your money. That’s my advice. As one who shelled out $1,500 to be part of the Google Glass Explorer program for its controversial wearable tech glasses, I can say that once the novelty wears off, Glass just isn’t that exciting or useful. That said, if you can’t stand being out of the loop, Google has announced that on April 15, for one day only, it will make Glass available to anyone in the U.S. Here’s their official announcement: “Any adult in the US can become an Explorer by visiting our site and purchasing Glass for $1500 + tax – and it now comes with your favorite shade or frame,…