
If you’re not already using WhatsApp, then you’re missing out on the world’s most popular instant messaging program. WhatsApp allows mobile users to instantly communicate with other WhatsApp users while avoiding the high costs of text messaging through SMS. WhatsApp is free for the first year, but it costs $0.99 afterwards. But for those who are playing $10 to $15 for unlimited texting on their mobile phones, $0.99 per year will seem like a small fee to pay – particularly since…