You cannot type on glass. The iPhone will never top the Blackberry without a keyboard.
When Steve Jobs unveiled the iPhone in Jan 2007, the maker of BlackBerry (Research in Motion, RIM) had a market cap near Apple's ($60B vs. $75B).
Now, it’s $4B vs. $2.5T.
While Jobs positioned iPhone perfectly, RIM made 5 decisions that led to its fall.
Here's a breakdown🧵