[mikeyk]

IG co-founder here: users 1 and 2 were our first two attempts at creating users end to end when getting Instagram v0.1 hooked up to the backend we'd written. There was a bug so they were left in an incomplete state; post bugfix, 3 was my co-founder Kevin and 4 is me.

[JorgeGT]

Two ghost users, left in an incomplete state by a bug in a previous version of the codebase... you basically created the Twins from The Matrix!