learn2writeasy is now advertisingwriting.blogspot.com for that's what I know best and the rest are what stoke the fire for advertising.
If you have a lot of hobbies , love the movies, commercials (yup!) music of every genre, BOOKS of course; are interested in everything...a sort of jack of all trades and want to be master of one(or two!); then get new ideas to explore and hone your talents.
Build your portfolio as you g