Lockcard Vocabulary Build

✨ WHY CHOOSE LOCKCARD?

🌐 LEARN VOCABULARY AS YOU BROWSE
• Works across the web: news sites, blogs, newsletters, research papers, and more
• Example sites: YouTube, BBC Learning English, The Economist, The New Yorker, NYT, and many others (not affiliated)
• Learn naturally during your normal browsing — no separate “study time” required

🎬 YOUTUBE INTEGRATION
• Click any word in YouTube subtitles to learn while watching
• Learn from TED talks, courses, educational videos, and more
• Save words with video context and timestamps for easy reference
• Seamlessly integrate vocabulary learning into your video watching routine

📄 PDF SUPPORT
• Select words directly in PDF files
• Custom PDF viewer with seamless word selection
• Learn from research papers, ebooks, and documents effortlessly

💾 CONTEXT-AWARE SAVING
• Save words with their original context automatically preserved
• Remember exactly where and how you encountered each word
• Learn from real contexts, not isolated word lists
• Smart duplicate detection with context merging
• Organized by articles and videos you've read/watched

🔁 ENCOUNTER TRACKING
• See how many times you’ve met a word across different pages/videos
• Keep multiple real-world contexts for the same word (not just one definition)
• Build a personal “where I learned this” history

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💡 HOW IT WORKS:

1. Browse normally - read articles, watch YouTube videos, surf the web
2. Discover in context - encounter new words in real content, not word lists
3. Save with context - one-click save preserves where and how you learned each word
4. Sync to iPhone - your vocabulary collection syncs seamlessly across devices
5. Practice innovatively - review with notification cards, widgets, and AI podcasts on iOS