Hacker News stories for 12 PM on Thursday May 23, 2013

0.796 SQLite improves performance with memory-mapped I/O comments

0.394 Physicists Create Quantum Link Between Photons That Don’t Exist at the Same Time comments

0.310 DynamoDB - Parallel Scans, 4x Cheaper Reads, Other Good News comments

0.255 Lying Microsoft Advertising comments

0.225 MyShoebox Gets Social With Collaborative Galleries comments