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Fizz Expands Marketplace and Personalization with New Leadership from TikTok

Fizz Expands Marketplace

Fizz, a fast-growing college social app, is taking major steps to enhance its platform by bringing on David Vasquez, a former TikTok executive, as its new Head of Product. Vasquez, who previously led creator monetization and TikTok Shop, will play a key role in developing Fizz’s recommendation engine, marketplace, and content strategy.

Enhancing Personalization and the Recommendation Engine

One of Vasquez’s primary objectives is to refine Fizz’s recommendation system, ensuring users receive content that aligns with their interests. Drawing from his experience at TikTok, he aims to replicate the highly effective content curation strategies that helped TikTok dominate social media.

“One of TikTok’s greatest strengths is putting the right content in front of the right user at the right time,” Vasquez told TechCrunch. “I want to bring that level of personalization to Fizz.”

Fizz plans to leverage AI-driven insights to analyze user engagement and surface trending content across different topics. This approach will enhance content diversity while ensuring that users receive highly relevant posts. For example, a user frequently engaging with sports discussions will see more related content while still being introduced to new, engaging topics.

Expanding the Fizz Marketplace Beyond Peer-to-Peer Transactions

Vasquez is also focused on expanding Fizz’s peer-to-peer marketplace, applying insights from his time at TikTok Shop. The company is exploring integrated payments and expanding marketplace offerings to include brand partnerships.

“Right now, transactions happen purely via DMs,” Vasquez explained. “We see an opportunity to introduce in-app payments and even integrate e-commerce brands into the platform.”

This shift could transform Fizz into a social-driven commerce hub, allowing users to buy not only from peers but also from established brands. By streamlining transactions and onboarding retailers, Fizz is positioning itself as a Gen Z-friendly shopping destination.

Pushing Further into Video Content

Recognizing Gen Z’s preference for short-form video, Vasquez has already increased Fizz’s maximum video length from 15 seconds to 30 seconds. This simple change has resulted in a 350% surge in video content creation on the platform.

Fizz plans to continue investing in video, potentially extending the maximum duration to one minute in the future. The goal is to make video content more engaging and interactive, ensuring users stay connected and actively contribute to the platform’s growth.

Opening the Platform to Brand Partnerships and Advertising

Fizz is now welcoming brand partnerships, with a growing interest from generative AI companies looking to advertise. As the platform scales, integrating sponsored content and branded campaigns could unlock new revenue streams and further solidify its position in the social media space.

Strong Growth and Competitive Positioning

Fizz is entering 2025 with significant momentum, boasting a 245% increase in daily posts and a 61% rise in daily active users (DAUs) since the start of the year. Vasquez attributes part of this growth to the uncertainty surrounding TikTok’s future in the U.S., a trend that has also benefited platforms like Snapchat.

“With the changing social media landscape, we’re seeing more users looking for authentic, community-driven platforms,” Vasquez noted.

Fizz’s Expanding Reach

Founded in 2021, Fizz is now available at more than 300 colleges and universities, with over 18 million posts on the platform. Backed by $41 million in funding, the company is rapidly evolving from a college-exclusive social app into a next-generation social commerce and content hub.

With Vasquez at the helm of product innovation, Fizz is poised to redefine social media engagement, blending personalization, commerce, and video into a seamless user experience. As the platform scales, it could emerge as a key player in the evolving social media ecosystem.

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Signal has rolled out a critical privacy-focused update for its Windows app, introducing a “screen security” setting that prevents the system from capturing screenshots—directly countering Microsoft’s controversial Recall feature.

This move reinforces Signal’s commitment to user privacy, ensuring sensitive conversations remain protected even against AI-powered background surveillance. Here’s everything you need to know.


Why Signal Is Blocking Windows Screenshots

Microsoft Recall: A Privacy Concern

Microsoft’s Recall feature (announced in 2023) continuously captures and stores screenshots of user activity, allowing Windows 11 users to “scroll back in time” and revisit past actions.

Despite Microsoft pausing Recall’s rollout after backlash, the company reintroduced it in April 2024 via the Windows Insider Preview Channel with key changes:
✔ Opt-in requirement (users must enable it manually)
✔ Pause functionality (temporary deactivation)

However, Signal argues that Recall still poses risks:
🔴 Potential exposure of sensitive chats (even if encrypted)
🔴 Lack of granular app-level control (Recall captures everything by default)

How Signal’s “Screen Security” Works

When enabled, this setting:
✅ Blocks Windows from screenshotting Signal’s window (shows a blank screen instead)
✅ Prevents Recall from storing private conversations
✅ Maintains end-to-end encryption integrity

⚠ Trade-off: Some accessibility tools (like screen readers) may not function properly with this setting active.


How to Enable (or Disable) Signal’s Screen Security

Step-by-Step Guide

  1. Open Signal Desktop
  2. Go to Settings > Privacy > Screen Security
  3. Toggle “Block screenshots” (enabled by default)

🔹 Disabling the feature requires confirmation (to prevent accidental deactivation).
🔹 A warning appears reminding users of potential privacy risks.


Signal’s Critique of Microsoft’s Approach

In a blog post, Signal expressed frustration with the need for such workarounds:

“We hope that AI teams building systems like Recall will consider these implications more carefully. Apps like Signal shouldn’t need a ‘one weird trick’ to protect user privacy—developers deserve better tools.”

Key Issues with Recall

🔸 No API for apps to opt out (forcing manual workarounds like Signal’s)
🔸 Potential security vulnerabilities (stored screenshots could be accessed by malware)
🔸 Privacy vs. convenience imbalance (users may not fully understand the risks)


What This Means for Windows Users

✔ Signal users gain stronger privacy protection against Recall.
✔ Other encrypted apps (like WhatsApp, Telegram) may follow suit.
✔ Microsoft faces continued scrutiny over AI-powered surveillance features.

Should You Disable Recall Entirely?

If privacy is a priority:

  1. Avoid enabling Recall (if using Windows Insider builds).
  2. Use Signal’s screen security for encrypted chats.
  3. Monitor future Windows updates for improved privacy controls.

Final Verdict: A Necessary Move for Privacy

Signal’s update highlights the growing tension between AI convenience and user privacy. While Microsoft positions Recall as a productivity tool, its always-on screenshotting raises legitimate security concerns.

By proactively blocking Recall, Signal sets a precedent—tech companies must prioritize privacy by design, not as an afterthought.

Saudi Crown Prince Mohammed bin Salman has made a strategic leap into artificial intelligence with the launch of Humain, a state-backed AI company poised to transform the Kingdom’s technological capabilities. This ambitious venture represents more than just another tech startup—it’s a cornerstone of Saudi Arabia’s Vision 2030 plan to diversify its oil-dependent economy and establish itself as a global AI leader.

Inside the Humain Initiative

Infrastructure Development

  • Massive data center construction across strategic Saudi locations
  • Cloud computing capabilities to rival global hyperscalers
  • AI research facilities with cutting-edge hardware

Financial Backing

  • Funded by Saudi Arabia’s $940 billion Public Investment Fund (PIF)
  • Part of broader $40 billion AI investment plan announced earlier this year
  • Positions Saudi Arabia as the world’s largest AI investor

The Geopolitical Context

High-Profile AI Summit Coincidence

The Humain launch coincides with a major U.S.-Saudi investment forum attracting tech titans:

  • Elon Musk (Tesla, xAI, SpaceX)
  • Sam Altman (OpenAI)
  • Mark Zuckerberg (Meta)
  • President Trump’s scheduled visit to the region

Strategic Partnerships

American tech giants are already engaging with Saudi’s AI ambitions:

  • Google’s cloud partnership with Saudi Aramco
  • Salesforce’s Middle East expansion
  • Microsoft’s $2.1 billion Saudi cloud investment

Why This Matters for Global Tech

1. Shifting AI Power Centers

Saudi Arabia’s move challenges traditional tech hubs, offering:

  • Alternative funding sources beyond Silicon Valley VCs
  • Geopolitical neutrality in US-China tech tensions
  • Energy advantages for power-intensive AI operations

2. Economic Transformation

The PIF’s strategy mirrors successful sovereign wealth plays:

  • SoftBank Vision Fund model at national scale
  • Norway’s oil fund approach applied to tech
  • Singapore’s Temasek -style strategic investing

3. Technology Sovereignty

Humain addresses critical national priorities:

  • Reducing dependence on foreign tech
  • Creating high-value domestic jobs
  • Securing data localization compliance

Challenges and Considerations

Potential Roadblocks

  • Talent acquisition in competitive global market
  • Cultural adaptation for international tech workers
  • Regulatory environment for AI development

Ethical Questions

  • AI governance in authoritarian context
  • Surveillance technology concerns
  • Content moderation approaches

What’s Next for Humain?

Industry analysts predict several likely developments:

  1. Major university partnerships for AI research
  2. Acquisition of niche AI startups
  3. Joint ventures with established tech firms
  4. Saudi-specific AI applications for:
    • Arabic language processing
    • Islamic finance technology
    • Smart city implementations

The Bigger Picture

This move positions Saudi Arabia at the center of three converging trends:

  1. The AI arms race among nations
  2. The petrodollar to tech-dollar transition
  3. Middle East’s emergence as a tech hub

With Humain, MBS isn’t just investing in AI—he’s attempting to future-proof Saudi Arabia’s economy and influence in what may become the most strategically important technology sector of the 21st century.

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