Translation of vernetzt

I hope you you had a successful week in Dortmund. Because of the bad weather at the last moment I could not get on my flight to Dusseldorf and I have stayed home. I was afraid to fly.
In plural there is no difference between the formal and the colloquial address form. Do you mean that you are using 3rd person singular form for the plural imperative? If so, I will change all entries so far.
Yes, come to Switzerland. May I ask if you have friends here? Pity that Geneva is so far away from Zurich, about 3 hours by train. If you have the time you need to visit me. We have a great lake.