I accidentally said "arigato gozaimasihta" to a Korean person for taking a photo of me while travelling, and I have never been so shamefully embarrassed in my life.

Today, I was one of many people picked up to go diving. When I hopped on the van, there was already a lady from Ohio. We chatted it up, and I found out she did software training with doctors. Neat. Next, we picked picked up a couple who spoke french on the way over. After seeing my shirt, they asked me if I was from Alberta. I was shocked to find someone on a dive boat in Japan that recognized Amii: the machine intelligence institute I belong to.

I climbed up to the top deck and chatted with them most of the way to the islands. Serendipity: they were both Canadian diplomats serving in South Korea. The both wanted to know more about AI. Evidently, their work touches on it: Korean investors are keen on Canadian, (and Albertan) AI research. I gave a boat-ride explanation on the differences between different machine learning methods, and how Reinforcement Learning---my favourite branch of AI---differs from many of the more common approaches to machine learning.

Today we did three lively dives: among the spottings were angelfish, clownfish, and sea-snakes. I had never seen clownfish before: one of the sea-creatures on my bucketfish. They were almost whisp-like; sentinels hovering over their anemone, keeping watch.

On our last dive, we went to a location with an abundance of sea turtles. It's always relaxing to watch these graceful creature slip through the currents; however, this dive was shockingly distressing. The dive-sites were heaving with other dive boats, with visitors kitted up to the gills. Almost every person on the other boats had top-of the line cameras with all the external flash-bulbs and lights. Thick gloves; thick booties.

As soon as our group made our descent, we found another group that was laying down on the coral reef. One of the divers was anchored onto living coral to get a shot of a turtle, completely oblivious that he was killing a vital member of his model's ecosystem. Satisfied with their shot, they kicked off the coral, breaking off six inches of stag-horn coral. For all the money poured into their gear, they didn't have even an ounce of buoyancy control.

There were so many disrespectful, dangerous divers. Crowding the marine life, grabbing the coral through the protection of thick, cumbersome gloves. Oblivious to their fins bashing into broad coral fans. If tourists keep treating the reef this way, it wont exist for much longer; ruined for everyone. Most of all, the turtles.