Cryptic, allusive messages from Hong Kong's wealthiest tycoon. No sooner had Li Ka-shing's ad been published than sharp netizens began to see that it contained an artfully constructed hidden message.

I've been following the Hong Kong protests more than most international incidents in recent years, it's exciting to see the wit that goes into it and it's frightening how it might end should China decide on a military intervention.

I’m continually impressed by the ways people living under repressive regimes find to circumvent and subvert censorship.