Do you believe aliens exist? Do you believe they're hiding on Earth? Amazing how a 'yes' to two similar questions can imply wildly differing levels of intelligence. Rejoice in the fact with my chart on Types of Alien Encounter at Cracked!
In fact there are several. I write about techno-lunacy over at Dial-a-Phone every week, to the point where they don't even care if it's about phones, though this week it is. Specifically, it's about the iPhone's attempts to end human procreation:
Both of those apps exist. People programmed them, and people download them, though we can at least assume that no-one who uses the first gets as far as the second.