<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.nambari ya ya microsoft, steve ballmer alijiunga na kampuni ya 1980 kuwa namba ya temployee 30 na meneja wao wa kwanza wa biashara.  <response>: the numbers guy of microsoft, steve ballmer joined the company in 1980 to become temployee number 30 and their first business manager. 