In a partnership that actually makes sense Linkedin will allow status updates to be pushed out to your Twitter account and/or pull your tweets into your professional profile. You will have privacy and broadcast options obviously as the two services differ a bit in target audience. Linkedin remains the professional service of choice and twitter is more casual. As the lines continue to blurr between social media and services this may chance.
At least we have the option for now to promote yourself or business with a filter.