Is it finally time to take the Twitter plunge? The free service that lets users micro-blog 140 characters at a time had accumulated around 1.9 million users as of December 2008, according to comScore. If you are just now jumping on the Twitter bandwagon, or are intimidated by your inexperience with Twitter etiquette and acronyms, allow us to share some Twittery tips that will make your experience easier and more enjoyable.