Regarding multiple Microsoft products, Skype for Business is reaching end of life July 2021 and being replaced by Teams. If that happens, I think it further limits Slack as Teams becomes the default choice for larger companies.
You should be fine - https://travel.state.gov/content/travel/en/international-travel/International-Travel-Country-Information-Pages/Canada.html
I had to look this up as I'm going through Canada to Europe next week.
The article was posted on ZeroHedge if you're still interested - https://www.zerohedge.com/news/2019-04-25/quiet-panic-kyle-bass-hong-kongs-looming-financial-political-crisis
Purchased TACT.
I like the odds on their restaurant business and today's departure of a board member (possibly in response to activist letter on 12/18).
It does seem rather concentrated, but this also seems to be their very high conviction idea (7x).
I'm not in it, but it's interesting - https://www.kerrisdalecap.com/wp-content/uploads/2018/06/Intelsat-and-SES.pdf