Lifelog? Was that technology stolen from leader.com and given to FB?
https://leader.com/docs/Michael-McKibben-Facebook-is-built-on-technology-stolen-from-us-by-Ave-Tampere-Eesti-Paevaleht-Estonia-Daily-Dec-9-2013.pdf
https://web.archive.org/web/20170914140809/https://www.fbcoverup.com/docs/library/2017-07-23-MILLER-ACT-NOTICE-TO-US-EXECUTIVE-served-via-USPS-Express-Mail-Jul-23-2017.pdf
http://www.scribd.com/doc/8436369/Leader-Tech-v-Facebook-Complaint