What does Nvidia buying ARM mean for Raspberry Pi?

Over the weekend, Nvidia confirmed it would purchase ARM from Softbank for $40 billion.

Now, what is ARM, why is Nvidia buying it, and what does any of this have to do with the Raspberry Pi?

Well, let's start with ARM.

This blog post also has a video version to go along with it.

What is ARM?

ARM can refer to a number of things, but let's start by talking about the company, Arm Holdings. They have lineage dating back to Acorn computers, a British computer manufacturer founded in the late 1970s that designed the first 'Acorn RISC Machine architecture' chips, AKA 'ARM'.

BBC Micro Minicomputer - Source: Wikipedia

Glitchy Video and Freezes on MacBook Pros

I've had a few friends report strange issues with their MacBook Pro laptops. Often they would report that the video signal on either an internal or external display becomes 'glitchy' or 'jumpy'. I initially thought it could be a connection issue, as I've seen many a VGA cable that becomes loose cause weird sync issues. However, they also reported that the cursor continued to work normally, moving around when they were moving the mouse/trackpad.

MacBook Pro Graphics Glitch
Doesn't look too nice...

I typically recommend people take these sorts of issues to the Genius Bar at an Apple Store, especially since the problem isn't easy to replicate when I take a minute or two to look at the laptop—often the problem only happens after constantly using the computer for more than half an hour.

However, I finally got to experience the problem first-hand, when my sister brought me her laptop and I used it for an evening of blogging and browsing. After half an hour or so, the screen started getting quite jittery (click through to view video and read more):