Об­ра­зуй­те от слова POPULAR од­но­ко­рен­ное слово так, чтобы оно грам­ма­ти­че­ски и лек­си­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

The chips gained even more ______ in 1926 when a wax paper potato chip bag was invented that helped to keep them fresh and crisp.