<prompt> Translate the following text to EnglishKwa sababu ya kuongezeka kwa idadi ya barua, baadhi ya wajumbe wa barua wanaendelea kuwa na hali nzuri na wengine wanaendelea kuwa na hali mbaya.  <response>: What is happening to bring about this net increase is that some mailers are being made better off and some are being made worse off. 