Three-step process: choose content, customize design, download in various formats. No design experience required for creating QR codes. No limit on number of QR codes created
Telegram link is a URL for joining channels or groups. Links start with "t.me" followed by channel/group name. Users need Telegram app or web access to join
QR codes can store over 4,000 characters and link to videos. Direct video embedding available through advanced QR code generators. Video hosting platforms like YouTube and Vimeo can generate QR codes. Social media platforms offer QR code generation options. Dynamic QR codes allow content updates without code changes
Free online tool for creating custom QR codes. No experience required for QR code creation. Generated codes remain valid indefinitely. Works on all devices without compatibility issues
Authenticator automatically backs up one-time codes to Google account since April 2023. New phone installation requires Google account sign-in. All Authenticator accounts appear on app's main screen after restoration
Rickrolling is tricking people into opening Rick Astley's "Never Gonna Give You Up" video. Internet meme became popular around 2007