Excel Trick: Import Data From a Picture!
Have you ever looked at a table in a PDF file (or a picture) and wanted to import it into Excel? This video tells you how! As shown in the short video, this function is not...
EV in 2022 and Beyond: More Good News, but Uncertainties Too
Recently I was asked to reflect a little on the recent EV movement, so I dug a bit on the latest statistics. 2022 is not over yet, so the latest number we have is from 2021. I...
What will happen to Zoom?
This is just a reflection of evaluating the long-term prospect of a company. As we all know, Zoom has been a huge successful company, boosted by the good timing of the covid...
If Facebook (Meta) disappeared 3 years from today (in 2025), I will not be surprised
Warren Buffet famously said that “Forecasts may tell you a great deal about the forecaster; they tell you nothing about the future.” So, do not treat this as a forecast. Just...
Clustered bar chart and stacked barcharts, switch rows/columns, overlap and customize shapes
Bar charts are one of the most frequently used charts. To use them effectively to generate on-the-point graphs that deliver exactly the right message, however, requires some...
Are we still ignoring data in making covid-related decisions?
From the early days of Covid, I have been questioning the wisdom of lockdown. In a post I wrote in December 2020, I said the following: “For one, I question the wisdom...
Do you really need a Power button for an electric car?
I just got my second EV, and it is a Nissan Leaf. It is a good-looking car, especially with its signature “Scarlet Ember” exterior. It drives smoothly, and rides...
How to think about the user cases for Blockchains: A whole spectrum of access control
These days I have been reading and thinking a lot about where to apply blockchain technology that makes most sense. That is, what are some of the user cases where it is...
The fundamental problem of governance with DApps (Distributed apps)
I have been studying DApps (Distributed apps) lately. They turn out to be super interesting. First, I am amazed by the grand vision behind the design of the Ethereum...