EDMONTON - Telus will invest $4.2 billion in new communications infrastructure and technology across Alberta through 2020, including $900 million this year alone, the company said Monday.Telus said that the funds will be used to extend its gigabit-enabled Telus PureFibre network directly to thousands more homes and businesses in rural and urban communities, further strengthen 4G LTE wireless service, and continue development and testing on next-generation 5G wireless service, plus support healthcare and education services with new technologies.These investments are consistent with Telus' capital expenditure guidance for 2017, reads the press release."Our sustained investment across Alberta underpins our unwavering commitment...