肯德基外送涨价0.8元，麦当劳汉堡缩水引争议

Group 1 - McDonald's has recently increased prices on some menu items, with price hikes generally ranging from 0.5 to 1 yuan, affecting various burgers, snacks, and meal sets [1] - KFC has also adjusted its delivery prices, with an average increase of 0.8 yuan, while maintaining the same prices for dine-in options [1] - Both companies emphasize that price adjustments are a normal market practice necessary for maintaining healthy operations and optimizing cost structures [1] Group 2 - Consumers have expressed dissatisfaction with the shrinking size of McDonald's burgers, with some comparing them to small dumplings and measuring them at only 8 centimeters in diameter [2][4] - Social media has seen a surge of complaints regarding the size and price of McDonald's offerings, with users posting comparisons between burgers and earphone cases [2][5] - McDonald's customer service has acknowledged the issue and stated that they have recorded the complaints for further feedback [2]