<prompt> Kuendeleza kampeni ya mitandao ya kijamii ambayo inajumuisha picha, video, na matangazo ya lengo kwa ajili ya uzinduzi wa kitabu: Kampeni inapaswa kuwa na sauti ya chapa na mandhari inayolingana na aina ya kitabu na watazamaji wa lengo; Kwa kuongezea, kampeni inapaswa kujumuisha mashindano, zawadi, na ushirikiano wa ushawishi ili kuongeza ushiriki na kuendesha mauzo ya vitabu.  <response>: mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince Video mashabiki wanachagua: Harry Potter The Half-Blood Prince 