Started as C++ program by Danish brothers at Where 2 Technologies. Acquired by Google in October 2004. Launched as web application in February 2005. Uses JavaScript, XML, and Ajax for front-end implementation
Toca Boca World allows building worlds and creating characters. Toca Boca Days focuses on socializing and making friends. Toca Boca Jr offers a single app with multiple fun activities
Force close and restart WhatsApp to refresh contacts. Save international numbers with correct country codes. Check for and install latest WhatsApp updates. Ask other users to send messages first. Reinstall WhatsApp if permissions are denied
Connect to stable internet and update WhatsApp. Clear phone storage if profile picture takes up space. Switch to stable version of WhatsApp
Web-based email requires login through provider's website. Users need username and password to access account. Some providers require two-step verification with confirmation codes
Twin Strangers uses AI to match faces with users, with over 9.5 million users. ILookLikeYou matches photos against users of any gender. Twinlets offers free search with gender-specific options. Pinterest app searches for similar images using face scanning