From a sales perspective, there are several main opportunities:
Once you've built an audience on Twitter, you can send out messages about your newest products, which might get retweeted by your followers. Consider the following examples:
Users will often use Twitter to share pain points. Check out the screenshot below, found from a Twitter search using the keywords "best cell phone.":
In the example, this Twitter user is looking for new cell phone providers. This is just one example of a perfect opportunity for a cell phone carrier to respond with some information on why their company is the best and provide a special offer to this potential customer.
What are some terms that you could search for that might result in similar opportunities for your company?
To build your Twitter following and encourage purchases, you might want to consider Twitter-only offers, which are publicized only through Twitter. Consider the following example:
The bit.ly link takes you to this page:
In the above example, the California Wine Club not only offered a Twitter-only deal, they promoted it using the "promoted tweet" function. When searching for "Twitter deal," which is a popular search term, California Wine Club's tweet always comes up on top.
Twitter also offers opportunities for promoted trends and promoted accounts in their "Who to follow" sidebar box.