Meditation by sound
There are a number of products out there that claim to work on the brain to product deepened meditation or enlightenment. One came in my mailbox yesterday claiming Discover how to meditate deeper than a zen monk in just five minutes - without years of practice, or hours of boring meditation CDs - by using a secret shortcut you can't find anywhere else.
How do they promise to achieve this?
In the Diamond Sutra, the Buddha recounts to Subhuti, "I remember the infinitely remote past before Dipankara Buddha. There were 84,000 myriads of multimillions of Buddhas and to all these I made offerings."