Rule no.1: Everyone is in technology business
Rule no. 2: Understand the web, at least the basics. Short version; Long version
Rule no. 3: Customers call the shots, companies don't
Rule no. 4: You don't know what social media is just by being on twitter & facebook. You think u understand it till u actually do!
Rule no. 5: You don't have to (read. can't) be on every service, application and platform under the sun. Being active on only the standard mediums will get the job done.
Rule no. 6: Internet is a great PR tool. Be honest & stick to your code. If you fuck up, but explain yourself honestly, you would not only be forgiven but will get free brownies too.
Rule no. 7: Privacy is overrated, Get Over it.
Rule no. 8: Internet gives superficial knowledge. So search diligently. Don't forget what Dr. Alban said "Little knowledge is dangerous". Books rock & please consult the doctor; Google & Bing are not in health business.
Rule no. 9: Analytics is GOD. Measure, think & then Act.
Rule no. 10: Read the Help section. It'll keep you grounded J