Saturday marks five years since the pro-democracy Umbrella Movement formed and leads up to the 70th anniversary of the People's Republic of China next week.
Social media networks banned hundreds of thousands of accounts last month. In NPR's assessment of the data, telling details begin to depict large disinformation campaigns.
Chief Executive Carrie Lam announced she is withdrawing the proposed law, which had set off protests now entering their fourth month. Protesters' demands, however, have grown in number.
One of the main results of the Hong Kong government's strategy has been to put a huge burden on the city's police force, diverting the public's anger at the government onto the constabulary.
In 2014, Hong Kong's pro-democracy movement was beset by divisions. Now various protest factions are working together. "If either one gets hurt, we feel the other's pain," says a moderate lawmaker.
Pro-democracy demonstrators barricaded roads with bamboo and hurled bricks at authorities. They also tore down "smart lampposts" they fear are being used for surveillance by authorities in China.
The ads by Li Ka-shing, a billionaire known as Hong Kong's richest man, seem to express bland sentiment. But at least one scholar says they secretly sound a note of support for the protest movement.
The State Department approved an $8 billion sale of fighter jets and related equipment to the self-governing island. China views the sale as a violation of its sovereignty.