A thing to note is that patents have a life of 20 years or lesser, so in some cases patents would have become void. Probably it is less likely to apply to internet technologies since lot of the internet development took place in the last 20 years.
dropsend.com - surviving in a particularly crowded market of sending big files over the web and charging for it when there are free services available. Though, they are backed by a HUGE marketing power of Carsonified.