Parentheses in domain mean exclude, square brackets mean including If you have infinity or negative infinity, the corresponding sign needs to be parentheses. A number from 1 to infinity not including 1 would be written as (1, *insert infinity*) Including 1 [1, *insert infinity*)
Intro - History & Timeline. Verizon Communications was created on June 30, 2000 by Bell Atlantic Corp. and GTE Corp., in one of the largest mergers in U.S. business history. GTE and Bell Atlantic evolved and grew through decades of mergers, acquisitions and divestitures.
But what were the phones that made it happen; who were the pioneering brands that made today's handsets possible; and which phone, out of the thousands launched since the 1980s, was the most important? Answer: quite a few. But first: a history lesson. The worldâs first mobile phone call was made on April 3, 1973, when Martin Cooper, a senior engineer at Motorola, called a rival telecommunications company and informed them he was speaking via a mobile phone. The phone Cooper used, if you could call it that, weighed a staggering 1.1kg and measured in at 228.6x127x44.4mm.