Leo double-clicked the first chat log. It opened in a legacy terminal emulator. A conversation. The timestamps were from 2:17 AM, January 1st, 2000.
A search for is typically someone hunting for: index of memento 2000
There is a psychological parallel. Leonard hoards facts—tattoos, photos, notes. Collectors of Memento material do the same. An "index" offers a complete inventory. People don't just want the movie; they want: Leo double-clicked the first chat log
Nolan famously presents the story in two alternating sequences: index of memento 2000