Caffeindicator is a litmus-like system that lets you test whether or not your decaf coffee actually contains caffeine
Nobody likes the jittery feelings that come with too much caffeine, or the insomnia that follows. While it takes a lot of caffeine to affect most people that way, those of us who are caffeine-sensitive can get the same feelings from even one cup of coffee. Other people have medical conditions that make caffeine a big no-no. In either case, these individuals usually order decaf when they’re at coffee shops or restaurants, but ... with all the hustle and bustle in those places, what if they get the coffee pots mixed up? Or what baristas can't be bothered brewing up a pot of decaf and just serve up regular coffee and say it’s decaf? It was no doubt that kind of thinking that led Verification Technology Systems to develop Caffeindicator, a litmus-like caffeine-testing system that anyone can use.