Since I don't know what "these" refers to here, I will just assume that the question addresses social networks generally.
Some impacts are:
Positive
-better information
-security (you can mark people safe during Earthquake)
-faster contact with peopl
-possibility of forming groups
-additional communication platform
Negative:
-less privacy
-lack of control over data
-being able to spy on people
-being able to find things from the past
-bosses spying on their workers
Inflation is the measure of the rate at which the average price of a series of selected goods increases over a period of time. So, a 1300% inflation rate would mean that the selected goods increased by 1300% over a period of time. This would ultimately lead to a drastic decrease in the purchasing power of a citizen using that currency as it would take a lot more of the currency to buy a loaf of bread.
2 is in the Middle East next to Mediterranean Sea
Here is a few I found.
Mining
Hydropower
Petroleum