Lessons from using S3 Batch Operations to move a petabyte-scale multi-tenant platform from one shared bucket to per-tenant buckets, with zero downtime.

Easy in 2D/3D, but how about in ND?

I have sent and received 306911 messages in 12 years on Facebook.

Even if not actually self-referential, it is still neat.

As the proverb goes, a picture is worth a thousand words.