Roku device shipments surged 40% during Q4 2018, accounting for a 28% market share of streaming devices, just one percentage point behind market leader Amazon, according to a sample of US households conducted by WiFi software specialist Plume. Google Chromecast accounts for a 15% share while Apple has 18% and Plume notes that nearly one-third of all Plume US households now have a streaming device connected to their WiFi network. Orange added 445,000 TV subscribers across its footprint last year to total 9.55 million, including 182,000 gains in its core French market, where it now has 7.04 million subs, and 90,000 in Spain, totaling 716,000 on IPTV and satellite. Total fixed broadband returned to growth with 19,000 net adds in…