Twitter Profile Creation
A Twitter account allows you to be updated and to update others very quickly. Only using 140 characters insures your message is punchy.
Search engines will regularly place Twitter accounts at the top of rankings and this can help direct more visitors to your website.
As Twitter says "Businesses use Twitter to share information about their services, gather real time market intelligence, and build relationships with customers, partners and influencers." - can you afford to miss an opportunity like that?
Note: The above services are subject to change dependent on updates by Twitter.