In Monday's installment, Cory Ondrejka of Second Life said "flat files don't cut it", but Mark Fletcher of bloglines and Gabe Rivera of memeorandum.com apparently don't agree. Gabe wrote: "I didn't bother with databases because I didn't need the added complexity... I maintain the full text and metadata for thousands of articles and blog posts in core. Tech.memeorandum occupies about 600M of core.