Blog-a blog is important for a small and large business for advertising
Web Site - its important especially for a large business because it can provide more service
FTP -it can be used for both
HTTP -useful because customers can see the products you are selling
Web services- its good for both because it can be used as advertising
Podcasts -not really useful for any
RSS feeds -for both
VOIP -for both
Web mail-used for both companies so that they can comunicate with customers
Web browser: Firefox vs. Internet Explorer