High Tech Business Ideas - Easy Money?

[Geek-9pm]

No! 
The 'High Tech Business Ideas' are not easy money. You would do better putting a lemonade stand in front of you house on a cul-de-sac rater than any of this High Techs Business ideas.
Here is the reference link for this topic:
https://smallbiztrends.com/2017/11/high-tech-business-ideas.html

When you think of high tech businesses, big names like Google and Facebook probably come to mind. But you don’t have to think that big when you’re just starting out. In fact, many of the tech giants that are successful today started out relatively small. If you’re interested in following in those footsteps, here are 50 ideas for high tech businesses that you can start small.

I disagree. What do you think?
Look at just a few stupid ideas  in the above article:
Smartphone Repair. Not a chance. There are so cheap it is pointless.
Smartphone Accessory Manufacturing. Ditto.
Social Networking Site. Is that a joke?
SEO Specialist. Oh My! What an idea! 
EDIT: He should have written that 15 years ago. But to claim any of it  it has meaning in 2018 is absurd. 

[Erudre]

Ideas for high technology are not an easy way to earn a day. I think these ideas will make it possible to earn more money if they are well implemented. There is the opportunity to make money  in the world of high technology , but it is not always easy.

[Geek-9pm]

Here is a smartphone idea.
Build a smart phone that:
• Can work as a walkies-talkie when cell towers are down.
• Well run on AAA cells when electricity is out.
• Sends a emergency beacon for three days  if your car goes over a cliff.
• Generates 100 decibel siren when a mugger attacks you.
• Gets rid of the photos you will never need.

That last item might be very hard to implement.