Telegram Messenger is quite popular, more than you might think. It’s not yet on the same level as WhatsApp due to only amassing 550 million monthly users, and 55 million daily users on a consistent ...

Gmail, Google's free email service, is almost 20 years old having launched as an invite-only public beta on April 1, 2004. In its early days, that invite-only scarcity and the fact that it seemed like ...