Capitalizing on Twitter’s growing popularity can be very rewarding and profitable for your Internet business if you go about it with some tact and guile.
Twitter is growing at an alarming rate so expect Twitter functions and features to change and improve in the future. Developers are also busy creating new tools and applications to make the most out of Twitter so keep an eye out for many new tools making their way into the twitter marketing scene.
The main thing though is to use Twitter with good business sense and not abuse the power that it offers. Keep learning and using it and as long as Twitter exists, I'm sure great things will come.
Best of luck using Twitter to market your internet business!