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Airbnb Cuts Recommendation Staleness from 2 Days to Seconds with Chronon

5 days 7 hours ago

Airbnb extended its Chronon feature platform with Push Mode and Near Real-Time Model Transform to update sequence-based recommendation embeddings within seconds. The architecture reduced embedding staleness from nearly two days to under a minute and improved offline NDCG by 1.67%, while online testing increased uncancelled bookings by approximately one-third of a percent.

By Leela Kumili

Even after PHP2Shell, blast radius matters more than a CVSS score

5 days 7 hours ago
PHP2Shell shows how quickly attackers can exploit critical vulnerabilities, often before organizations have time to patch. Token Security explains why limiting the access of service accounts, API keys, and AI agents is just as important as fixing vulnerabilities to reduce the damage from a breach. [...]

X adds an intrusive promotional animation of an arm reaching across the screen to direct users to a "promote" post button, targeting verified and Premium users (Andrew Liszewski/The Verge)

5 days 7 hours ago

Andrew Liszewski / The Verge:
X adds an intrusive promotional animation of an arm reaching across the screen to direct users to a “promote” post button, targeting verified and Premium users  —  You have to hand it to X's latest promotional gimmick.  —  After Elon Musk warned that …