Why Study Linguistics? - An informative slideshow produced by the Centre for Languages, Linguistics and Area Studies.
50 Years of Linguistics at MIT - A link to 11 MIT linguistics lectures.
Dyslexie, A Typeface Designed To Help Dyslexics Read - A video explanation about how dyslexics read and how this typeface created by a dyslexic designer improves the reading experience for those who suffer from dyslexia.
Shapecatcher: Unicode Character Recognition - Draw a character in the "drawbox" and this site will provide a list of the most similar unicode characters. The database has 10,877 characters currently. Great for IPA.
North American English Dialects, Based on Pronunciation Patterns - Tons of information, dialect maps and dialect samples.