Question 1

Is the Bitcoin Fear and Greed Index accurate for trading?

Accepted Answer

The Bitcoin Fear and Greed Index is a sentiment indicator, not a price prediction tool. It measures market emotions by analyzing volatility, trading volume, social media sentiment, surveys, and Bitcoin dominance. Extreme fear (0-25) often signals buying opportunities, while extreme greed (75-100) may indicate market tops. C² displays live Fear & Greed data from CoinGecko with real-time Bitcoin prices for context.

Question 2

How often does the earthquake data update?

Accepted Answer

Earthquake data updates in real-time from USGS GeoJSON feeds. The official USGS earthquake map updates within minutes of seismic detection, and C² refreshes this data automatically without requiring page reloads. You see the same authoritative data that disaster response teams use.

Question 3

What makes C² different from Alternative.me or CoinMarketCap?

Accepted Answer

C² combines multiple data sources (crypto, earthquakes, tech news, NASA imagery) into one dashboard. Unlike Alternative.me which only shows Fear & Greed, or CoinMarketCap which focuses solely on crypto prices, C² aggregates real-time intelligence from 7+ sources. No login required, no ads, completely free—unlike paid OSINT tools or Feedly premium subscriptions.

Question 4

Can I use C² as a Hacker News RSS reader alternative?

Accepted Answer

Yes. C² aggregates Hacker News top stories via the official API, plus TechCrunch RSS and Ars Technica feeds in tabbed panels. Unlike hnrss.org or dedicated RSS readers like Inoreader, you get three tech news sources without subscriptions or browser extensions. Stories update automatically every 15 minutes.

Question 5

Does C² work on mobile phones?

Accepted Answer

Yes, C² is fully responsive. The three-column desktop layout automatically stacks vertically on mobile devices for thumb-friendly scrolling. All features—Bitcoin tracking, earthquake maps, tech news tabs, NASA images—work identically on smartphones and tablets. No app download required; just bookmark the URL.

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