This appears to be resolved. AWS posted an update to their status page, which matches some of the observations in this thread about it being ISP-specific:
[RESOLVED] External Connectivity Issues
Between 11:43 AM and 1:30 PM PST some customers may have experienced connectivity issues between an external provider outside of our network and AWS destinations. This issue impacted connectivity originating from California. Connectivity to instances and services within the Region was not impacted during this issue. All AWS Services have been, and continue to operate normally.
> Based on the learnings from the Protocol Buffers rollout, the team is planning to follow up with migration from Rest.li to gRPC, which also uses Protocol Buffers but additionally supports streaming and has a large community behind it.
I am a YIMBY who lives in the western neighborhoods of SF and would love to see them upzoned. I always think it's silly that there are perfectly pleasant pre-zoning 5-8 story apartment buildings down the street from my place that would be illegal to build under current regulations.
I just shot you an email, but this seems like a reasonable place to note that my employer (Twitter) is hiring like mad, and we definitely have some big data to work with:
Depending on the application, there are some options for process-internal multi-machine shared state - Erlang's mnesia distributed database, for instance.
Twitter (https://twitter.com) is a real-time information network with the mission of connecting people everywhere to the latest information that is interesting and relevant to them. We're hiring across the organization, for a broad range of technical and non-technical positions. Come help us solve some hard problems!
I submitted this article (a little warily because I know the front page has been inundated with this story) because it appears to contain the new-to-me information that an arrest in the case was made on June 28 and that the SFPD verified this on July 29.
(edit: Whoops, misread the date - sorry. This story does still seem to have more info from the SFPD than others I've read.)
[RESOLVED] External Connectivity Issues
Between 11:43 AM and 1:30 PM PST some customers may have experienced connectivity issues between an external provider outside of our network and AWS destinations. This issue impacted connectivity originating from California. Connectivity to instances and services within the Region was not impacted during this issue. All AWS Services have been, and continue to operate normally.