RulesOfThumb.org - Every Rule of Thumb on Earth
This site has been several years in the making and is based partly on my previously published books covering the same topic (see below.) The goal of the site is ambitious: to collect every rule of thumb on earth at one handy web address. The site is fully searchable with the backend machinery to let... read more
GuessNow.com - Answer Questions and Get Cash
If you are looking for free ringtones to download, this site might be a useful solution for you. Enter GuessNow.com and take a look at the available ringtones and music files you can download for your cellphone. You just have to enter GuessNow.com and register for free to get the ringtones you want.... read more