Is everything invented?

Nowadays, the world is evolving extremely quickly (better: rapidly) ; however for some I don’t know why strange reason there are other areas in which we seem to be are stuck.
For example, the other day I went to the bank to deposit money in cash in my current account because I was almost in the red. When I arrived, I found the following situation: there were only two clerks for to serve to current operations a queue of 15 people and while there were three other departments which had with no one waiting. As a result, I had to wait it took me an hour to do complete a an operation transaction that lasted  only 5 minutes.
This reflects the bank's low efficiency of classify the service in its various departments. It would be more productive to instead of have multifunctional workers capable of serving to all customers, regardless of what services they need required.
On the other hand, I think that way we mode of purchase things will change in the future. Currently when we are buying something the process mode consists in of selecting a product according to the its design and the features that best fit suit our needs. I think this is going to change soon because consumers are increasingly demanding.
For example, I found out (better:discovered)  of the following situation when I had to find a dress for my cousin’s wedding. I was looking for one a long one because as the wedding was in the afternoon and green because that is my favorite color. After visiting five stores and investing 6 hours of my time and doing waiting in a minimum of 5 queues in the for a fitting room, I never did end up didn’t finding  a dress that suit me and fit my budget.
I believe that in the future, Hopefully, in the not too distant future, consumers will be able to design our their own clothes without going out at leaving home, obviously within although having a more limited number of fabric and style options to choose from. framework of possibilities, through the selection of fabric modules that joined A computer program could be designed that would allow us define the sleeve type, the length of the skirt, the pattern...

Well done Ms Garcia for a very complex article using many advanced concepts, terminology and phrases (in the red) that normally would only be used by a native English speaker.  My changes hopefully help to give your writing sound more natural and make your message clearer to an English speaker.  Keep up your good work!