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.
Nokia's first fully portable mobile phone (after the Mobira Senator car phone of 1982) was the Mobira Cityman 900 in 1987. Nokia assisted in the development of the GSM mobile standard in the 1980s, and developed the first GSM network with Siemens (predecessor of Nokia Siemens Network).