Charities spend way too much time and money on fundraising. When you are donating to an organization, you want to do as much research and homework as you can about their use of funds and efficacy. But once you have identified a charity that you like, you want to support…

BERKSHIRE HATHAWAY INC. To the Shareholders of Berkshire Hathaway Inc.: Berkshire earned $42.5 billion in 2020 according to generally accepted accounting principles (commonly called “GAAP”). The four components of that figure are $21.9 billion of operating earnings, $4.9 billion of realized capital gains, a $26.7 billion gain from an increase…

Diffusing the Zoombombs — Now that we are all on Zoom, Slack, Teams, Box and more such apps to get our jobs done while WFH, we must face up to the risks that come with collaboration tools especially when collaborating with people outside your company. According to Techcrunch, Zoombombing is a thing. …

TO THE SHAREHOLDERS OF BERKSHIRE HATHAWAY INC. — Berkshire earned $81.4 billion in 2019 according to generally accepted accounting principles (commonly called “GAAP”). The components of that figure are $24 billion of operating earnings, $3.7 billion of realized capital gains and a $53.7 billion gain from an increase in the amount of net unrealized capital gains that exist…

Everything I know from starting 2 companies and investing in 25+ —

BERKSHIRE HATHAWAY INC. To the Shareholders of Berkshire Hathaway Inc.: Berkshire earned $4.0 billion in 2018 utilizing generally accepted accounting principles (commonly called “GAAP”). The components of that figure are $24.8 billion in operating earnings, a $3.0 billion non-cash loss from an impairment of intangible assets (arising almost entirely from…

The kill chain, the phishing attack and the broken trust graph — The Wall Street Journal published an explosive story about how state-sponsored Russian hackers used a variety of techniques and a spider web of compromised accounts to ultimately gain access to the control infrastructure that monitors and controls the flow of electricity in the US power grid. While the attack was…

What you don’t share can still hurt you — We are spending a lot of time discussing what happens to data when you explicitly or implicitly share it. But what about data that you have never ever shared? Your Cousin’s DNA We all share DNA — after all, it seems we are all descendants of a few tribes. But the more closely…

If you hate PDF like Paul Manafort and me, I continue my tradition of carefully creating a mobile friendly Medium post. (All rights belong to Warren Buffett and Berkshire Hathaway.) Berkshire’s Performance vs. the S&P 500 2 BERKSHIRE HATHAWAY INC. To the Shareholders of Berkshire Hathaway Inc.: Berkshire’s gain in…