While there are some that are hidden and need a bit of handiwork to unlock – which we've outlined below – others are now more in plain sight, with up to 50 now available to some.

We've been doing some super sleuthing to hunt out all of them down – and how you can get them.

Cost, ease of use and feedback from team members proved Go To Assist is the best solution for Virtua.

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Given that megastar internet search engine Google became its own verb a few years ago, we've all come to acknowledge that the wide and ever-expanding engine is becoming more powerful than ever before.

You can take a look at your own house from outer space via Google Earth, you can look at famous paintings - down to the very last grizzly brushstroke - via Google Art Project, and you can look at what's hot and what's not in Spain - or anywhere in the world - with Google Trends.

With Go To Assist we're able to resolve their issues quickly.

Not only does it let us chat to our mates, anytime, anywhere, for free, but thanks to an increasing number of games that have been drip-fed on to the platform, it also offers up some secret entertainment for when the conversation dries up.

But thanks to mobile app developers, chat apps for i Phone are free to download, friendly to use and large in number.

Discover the most popular of them and choose the best free chatting app for you.

(Photo by Joe Raedle/Getty Images) " data-medium-file="https://heavyeditorial.files.wordpress.com/2014/10/161704914.jpg?

quality=65&strip=all&w=300" data-large-file="https://heavyeditorial.files.wordpress.com/2014/10/161704914.jpg? quality=65&strip=all&w=640" src="https://heavyeditorial.files.wordpress.com/2014/10/161704914.jpg? quality=65&strip=all" alt="dating apps" class="size-full wp-image-792932" Looking for the best dating apps?

Facebook Messenger is an official Facebook app for those who don’t need to check the newsfeed and only want to communicate with people.

Facebook Messenger is available for i Phone, Android and Windows phone users.

WEST PALM BEACH, FL – FEBRUARY 14: Karen Brown (L) and Douglas Brown hold hands as they are wed during a group Valentine’s day wedding at the National Croquet Center on February 14, 2013 in West Palm Beach, Florida.