Twitter Ads (which has been available in the US since April) finally went live in the UK today. We are really excited about this as is will make a perfect complementary service to the core "Tweet for More Business" offerings for those clients with slightly larger marketing budgets.
Twitter Ads works in a similar way to Google's Adwords - you provide a total campaign budget, a maximum daily spend and a bid value. Then after defining a number of parameters your account will be highlighted to people that are relevant to you. You can target people with a similar interest (ie following @accountnames), geography, by category such as "Automotive" or even "Automotive/Offroad vehicles", gender etc.
Depending on the strategy, this is how you would stand out if you promote your Tweets:
And this is how you will appear if you promote your Twitter account:
Of course there are pitfalls with Twitter Ads just in the same way as there are with Google's Adwords. The biggest problem is that without experience and carefully planning, you can quickly burn through your budget without seeing much in return for your investment.