Late last week, Twitter announced that it had 205 employees. Now, the company is searching for number 206, and he (or she) won't be your average engineer. Twitter is instead breaking new ground by seeking a government liaison to represent it in Washington, D.C. A job posting explained, "Twitter is looking for an experienced, entreprenurial person to make Twitter better for policymakers, political organizations and government officials and agencies. You'll be our first D.C.