Entropy, as it relates to passwords, is a measure of how many attempts it will take during a search to exhaust all possibilities of your password. Pscalc is a utility to quickly let you calculate the entropy of a password given a few bits of information.

I’m a firm believer that reading is one of the great joys of life. From Science Fiction to biographies, there’s something for everyone. Whenever possible, I purchase books in the EPUB format. As Amazon’s Kindle doesn’t support that format, I need to convert them to a format the Kindle understands (MOBI usually), and then upload them to my device. This can be done by hand, but I wanted an automated way to do it.

IFTTT (If This Then That): http://www.ifttt.com/ is a service which can interact with hundreds of services and devices to take action on events.