{ -brand-name-firefox } calls it private browsing, { -brand-name-chrome } calls it incognito mode. Both let you browse the web without saving your browsing history.
{ -brand-name-firefox } rub'ina'an ichinan okem pa k'amaya'l. { -brand-name-chrome } rub'ina'an tawila' rub'anikil. Chi ka'i' nikiya' q'ij chawe yatok pan ajk'amaya'l, akuchi' man nuyäk ta ri runatab'al awokem pa k'amaya'l.