Summer holidays are all about the #greatoutdoors, and anything goes from #snorkeling, #mountainbiking or #surfing, to #slacklining. I used this past month to #geartest four very different #waterproof #digitalimaging devices, pitting my @sonyxperiaza #xzpremium phone against the @tomtomsports #bandit, the @goproza #hero5 with @gdomeglobal #gdome and the new @sony #rx0#actioncam “on steroids”. I have to admit the results were surprising, to say the least … see if you can spot