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Daily EditionsDec 19, 2025

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Contents

Page 1: Today’s IndexTLDR, TLDR AI, TLDR Dev, TLDR InfoSec, TLDR Crypto · 9 stories
Page 2: TLDRTLDR · 9 stories
Page 3: TLDR AITLDR AI · 8 stories
Page 4: TLDR AI — continuedTLDR AI · 8 stories
Page 5: TLDR DevTLDR Dev · 11 stories
Page 6: TLDR InfoSecTLDR InfoSec · 12 stories
Page 7: TLDR CryptoTLDR Crypto · 12 stories
Page 8: TLDR ProductTLDR Product · 10 stories
Page 9: TLDR DesignTLDR Design · 11 stories
Page 10: TLDR FoundersTLDR Founders · 11 stories
Page 11: TLDR MarketingTLDR Marketing · 11 stories
Page 12: Resources & ToolsTLDR Dev, TLDR InfoSec, TLDR Design, TLDR Founders · 9 stories
Page 13: SponsoredTLDR, TLDR AI, TLDR Dev, TLDR InfoSec, TLDR Crypto, TLDR Product, TLDR Founders, TLDR Marketing · 17 stories

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Daily Edition · Page 13

THE DAILY INDEX

Technology, AI, software, security, crypto and businessFriday, December 19, 2025

Paid placements from today’s newsletters

Sponsored

Sponsored · TLDR

Untitled entry

Like it or not, ChatGPT and Perplexity are part of your customers' buying journey. Does SEO still matter? Sure. Is it the entire picture? No.

semrush.com

Sponsored · TLDR

GO FROM HYPE TO VALUE. UNLOCK GENAI ROI WITH THIS EXCLUSIVE COURSE

95% of AI pilots fail, yet executives are under pressure to move quickly. This exclusive course [9] from You.com [9], featuring Field CTO Adam Oliner, provides a roadmap to transform your organization into a super-intelligent workforce. You'll learn how to identify where AI can cut costs and drive value, and uncover strategies to scale adoption beyond pilots.

about.you.com

Sponsored · TLDR AI

AGENTIC AI ISN'T JUST GENAI WITH EXTRA STEPS

The buzz around agentic AI has reached a fever pitch. But outside of coding, most implementations are "agent-washing:" a chain of prompts or a normal workflow with an LLM in the loop.

algolia.com

Sponsored · TLDR Dev

Untitled entry

C++ remains the gold standard for performance-critical applications, and you can now combine its unparalleled control and speed with the power of Fastly's [4] global network and WASM runtime.

fastly.com

Sponsored · TLDR Dev

LLM PATTERNS: ROUTERS, TOOLS GROUPS, AND UNIFIED ENDPOINTS

What's the best architecture patterns for production MCP servers? This Elastic Path series [9] provides practical blueprints, tool grouping best practices, and optimized designs for anyone making reliable, high-performance AI systems. Compare patterns to find the trade-off that best fits your services. Learn how to build

elasticpath.com

Sponsored · TLDR Dev

TURN THE PUBLIC WEB INTO LLM-READY DATA WITH FIRECRAWL

Summary unavailable

firecrawl.dev

Sponsored · TLDR InfoSec

SURGE

Attackers couldn't have chosen a better moment to strike Fastly [4]: As major customers shifted tens of petabytes of traffic to Fastly due to another provider's outage, several advanced DDoS attacks were unleashed on our platform…yet there was no end-user disruption.

fastly.com

Sponsored · TLDR InfoSec

32% OF LLM PENTEST FINDINGS ARE HIGH RISK, YET 79% REMAIN UNPATCHED: COBALT REPORT

Security folks say genAI threats are a top concern, but few have the LLM and AI-powered security testing they need to address this novel risk. Cobalt's State of LLM Security Report 2025 [11] lays out the key LLM vulnerabilities, along with concrete recommendations for security

resource.cobalt.io

Sponsored · TLDR Crypto

THE HIDDEN COST OF HYPERLIQUID — AND HOW TO SKIP IT

You've done the research. You've got your thesis. But before you even place a trade on Hyperliquid, you've already lost money — slippage on the swap, bridge fees, gas on multiple chains.

app.across.to

Sponsored · TLDR Product

WHAT A NEW APPROACH LOOKS LIKE

You need clean data to get anything done with AI, but most systems of record are 20–30 years old. That's why ERPs are just one of many enterprise systems that needs to be reimagined.

metronome.com

Sponsored · TLDR Product

MODERN DOMAIN INTEGRATIONS THAT SHIP FAST

Whether you're building your first integration or migrating thousands of domains, the name.com API [9] gives you the fast, simple path to deployment.

name.com

Sponsored · TLDR Product

SAY TO NO BUGGY PRODUCTS WITH ACTUALLY-WORKING TESTING AUTOMATION

QualityLogic's TestNitro delivers 100% automatable Playwright coverage in weeks, code in your repo (no lock-in). Tests added + maintained each sprint and only human-verified defects reported.

qualitylogic.com

Sponsored · TLDR Founders

ARE YOU OVERPAYING FOR BUSINESS INTERNET?

👉 Take 5 seconds to see if you can get a better deal on your business internet. Simply go to this page [4] and enter your business address.

tmobilebusinessgroup.sjv.io

Sponsored · TLDR Founders

TIRED OF CRM DATA ENTRY? LIGHTFIELD DOES IT FOR YOU.

Salesforce and HubSpot create more work for founders. Lightfield — an AI-native CRM with a built-in call recorder — was made for startups. It captures every email, call, and meeting automatically, so nothing stays stuck in your head. Never drop the ball on a follow-up again.

lightfield.app

Sponsored · TLDR Founders

WHY SETTLE FOR SECOND-RATE CRMS WHEN YOU CAN GET SALESFORCE FOR FREE?

Salesforce's NEW FREE-FOREVER TIER for startups eliminates the biggest obstacle to organized sales tracking and seamless growth. Get sales, service, email marketing, and connect Slack conversations—

salesforce.com

Sponsored · TLDR Marketing

TAME THE CAMPAIGN MAYHEM

Every quarter, the same story: more campaigns, tighter timelines, same team. How do you make it work? With human + AI collaboration, you can.

asana.com

Sponsored · TLDR Marketing

85% OF THE FORTUNE 100 KEEPS WORK ON TRACK WITH ASANA. SEE WHY

Marketing campaigns have a lot of moving pieces: assets, approvals, stakeholders, deadlines. Asana [9] puts it all in one place so nothing slips through the cracks. Track every campaign's status at a glance, route creative reviews to the right people automatically, and keep stakeholders updated with real-time dashboards.

asana.com

TLDR IndexPage 13

TLDR IndexAn unofficial editorial archive

6647 issues indexed · schema v1.0.0