To be fair, this is a very generic email. Even if it is true. It's unlikely you were spied on in this way.
It is most likely your email address was spoofed. This means the email adderess in the from part of the header was disguised as your own. Hence it looks like you have been hacked but have...
I didnt understand your previous reply. Please be patient with me as I need things to be a little direct, i have trouble interpreting what is said.
What's loading ads and additionsl scripts?
There are loads of web dev jobs out there. But it's harder to move from web dev to other fields, as honestly ppl have the mindset they can't code in any other language. This is my dilemma also.
Machine learning and cyber security are big things right now. You may need to pursue a master/phd...
I just got 27ms latency with 60mbps download speed. Not bad! I think below 50ms tends to be enough generally. Then again I'm not a gamer. Broadband users tends to be around 5-10ms.