For me, well, telephones wouldn't work without electricity :|
The smart phone. It sees so on 101 gadgets
The Ubaid are considered the first agents of civilization in the region.
You failed to list the invention to consider.
If you are referring to the Dutch lens maker who was born in 1585 then there is probably no connection. He is sometimes credited with the invention of the compound microscope and associated with the invention of the optical telescope. However, these events would have happened long before the telephone company came into existence. For more information please consider viewing his page on wikipedia.
the lightening rod
it wasn't a discovery it was a invention and it was important because it made communication a lot shorter. If it wasn't invented somethings we have today that use sound waves to transfer a voice wouldn't had been invented or it would be a lot different. If the telephone had never been invented consider the following: You would still be sending a U.S. Postal message just to communicate with someone, or visiting. You would have no instant control of nearly every aspect of your life that you do not even consider today. You would not have been able to ask ANY questions such as you have because there would be no internet (Internet started with dial up modems.
watt's steam engine
Either writing, or the wheel (:
Some points to consider when selecting telephone equipment include size, location, number of phones, special options, and whether to buy or lease.
Trees being cut down for telephone lines I consider people tracking me through my cell phone a disadvantage ;) Non-private conversations. (actually, that is sort of bittersweet) The waste in electricity to run the power lines and phone Money for the electricity. (When you charge it. Even if it's wireless or wired)
Before choosing the best electricity supply company in Singapore, you have to make sure the company is established and has good feedback from existing customers. Also, cost is a very important factor to consider when selecting a company.
Yes a telephone directory is a telephone book. Which includes listings of all the numbers of people in a certain area. I myself would consider a telephone directory any list or book that includes a list of people and phone numbers that are in a certain area.
Yes, most or all people would consider a ladder to be one.