A few twitter products I can recommend:

Sell English Lessons Online – Huge Demand!
This 100 lesson online workshop brings you recurring income every month. Simply get visitors to signup for Free English lessons and our tracking software will credit you when they subscribe for the workshop, be it next week, next month, or next year!
Sell English Lessons Online – Huge Demand!

Entireweb Search Engine Submission
Get listed in Search Engines such as Entireweb, Mamma.com, Ixquick, Kartoo, WindSeek, Findtarget and many more!
Entireweb Search Engine Submission