People surprised by the 100 days requirement have presumably never seen the type of infrastructure required by a top-100 website or had to deal with user-time issues.
Having an independent clock means turning off caching, which is a big deal when you're serving millions of page requests.
Not to mention having to deal with timezone issues, daylight saving, latency, etc. This stuff is hard.
Having an independent clock means turning off caching, which is a big deal when you're serving millions of page requests.
Not to mention having to deal with timezone issues, daylight saving, latency, etc. This stuff is hard.