Honeypot uses both the honeypot and timestamp methods of deterring spam bots from completing forms on your Drupal site.
A lot of people use form spam prevention methods like CAPTCHAs or math problems that require extra user interaction, and cause some users to have trouble filling out online forms. For most small sites, something as complicated as a CAPTCHA is not really necessary anyways. Therefore, I wrote the Honeypot module, which adds invisible form elements to selected forms, and checks to make sure the form elements are not filled out by spam bots.
The Archdiocese of St. Louis was the first Catholic diocese in the US to have a dedicated iPhone app to promote the diocese's parishes, news, and a community of prayer. When I was working in the Archdiocese's Office of Web Development, I noticed that many people were beginning to use iPhones and other smartphones as their primary means to keep discover businesses, keep in touch, and even browse the web.