Have you considered using coupons as part of your Twitter Marketing Strategy?
TwtQpon lets you create coupons for promoting your products or services and then post them in your Twitter feed as part of your. If you have products or services you want to promote to your Twitter followers, consider offering a small discount or incentive in the form of a coupon and take advantage of the viral / retweeting features of Twitter.  TwtQpon says: ” Enhance your social media marketing by offering discounted coupons to the Twitter-sphere!”
See a sample Twitter coupon …

Bit.ly Eclipses TinyURL on Twitter
bit.ly allows users to shorten, share, and track links (URLs). Reducing the URL length makes sharing easier. bit.ly can be accessed through our website, bookmarklets and a robust and open API. bit.ly is also integrated into several popular third-party tools such as Tweetdeck. A more full list of third party tools can be found on the bit.ly blog. Unique user-level and aggregate links are created, allowing users to view complete, real-time traffic and referrer data, as well as location and metadata. Tracking stats are available after …

HootSuite is the ultimate Twitter toolbox. With HootSuite, you can manage multiple Twitter profiles, add multiple editors, pre-schedule tweets, and measure your success.
HootSuite lets you manage your entire Twitter experience from one easy-to-use interface.
Creating an account is easy. Enter your Twitter username and password, and add a profile for each Twitter account you wish to manage. Got more than one tweeter per profile? Add multiple editors.
Then get going! Post live or pre-schedule tweets. Check stats and analytics right from the dashboard. Search Twitter for keyword information. Reply @ and Direct …

Ping.fm is a free social networking and micro-blogging web service that enables users to post to multiple social networks simultaneously.
Making an update on Ping.fm pushes the update to a number of different social websites at once. This allows individuals using multiple social networks to update their status only once, without having to update it in all their social mediums individually. Ping.fm groups services into three categories – status updates, blogs, and micro-blogs – and updates can be sent to each group separately.
Ping.fm was created with the intent of making it …