http://hothardware.com/newsimages/Item24908/hasj110.jpg#thatsagoodidea. No, that's not a legitimate sentence, but you get the point, right? Twitter has taken the hashtag to another level, making it a part of everyday culture at this point. And since it's so easy to recognize, it shouldn't come as a surprise to hear that one of Twitter's primary rivals is consider adding it as well. Facebook is...
