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August 16 - September 16, 2019
Indeed, India mostly skipped the desktop phase and jumped straight to mobile,[199] so the Jio Phone was many Indians’ first taste of modern tech.
KaiOS was built atop Firefox OS,
KaiOS’s
Macs also have a feature called
“sandboxing,”
where a virus in one part of the computer can’t easily spr...
This highlight has been truncated due to consecutive passage length restrictions.
For instance, in 2012, over 600,000 Macs were infected by a virus called
Flashback,
Rootpipe and KitM.A,
“social engineering”
phishing,
“app economy”
$100 billion.[232]
The rules for this “app economy” are very different than the rules of the “traditional” economy,
if Pizza Hut said they were going to make money while giving away pizzas for free, you’d think they were crazy.
have a long-term relationship with the app instead of a one-off interaction),
“lifetime value” (LTV),
Whale hunting
80-20 rule or the Pareto principle:
20% of your customers will generate 80% of your revenue, and 80% of your customers will generate the other 20%.[262]
The key for app developers is to find that 20% of people who want to pay money (called “whales” in the industry, probably because they’re rare but huge) and squeeze as much cash as possible out of them.[263]
balk
the freemium strategy is this: give away the app for free to draw in a massive number of users,[267] find the “power users” who love the app, and charge them — either once or via a recurring subscription — for extra features.
Pay-Per-Impression, or PPI..[269]
Pay-Per-Impression is more often called Cost-Per-Mille, or CPM.[270]
Cost-Per-Click, or CPC.
PPC, or Pay-Per-Click.
targeting.[276]
targeting ads improves
the “click-through rate,” or CTR,
Facebook makes over $30 billion a year
“if you aren’t paying for the product, you are the product.”[287]
for the most part — aren’t selling your data. As PCWorld put it, it’s more accurate to say that they’re selling you.[297]
Sponsored content, also called “native advertising,”
Airbnb includes a “services fee”
Amazon takes between 30% and 65% of book revenues.[325]
How can apps make money without showing ads or charging users?
“grow first, monetize later.”[331]
You probably pull up a web browser and punch “google.com” into the address bar every day.
Uniform Resource Locator, or URL.
HTTP, the HyperText Transfer Protocol, which shows up as http://
HyperText Transfer Protocol Secure, which shows up as https:// in URLs.
HTTPS indicates that your browser should encrypt your information, which keeps it safe from hackers. If you’re ever filling in a password or giving your credit card number, the website should be using HTTPS.
American phone number
+1
IP addresses
computers don’t understand domain names; they think in terms of numerical codes
IP addresses.
To convert a domain name to an IP address, your browser uses
Domain Name Service (DNS),
