Comcast Announces 2 Gigabit Residential Service And New Extreme 250 Mbps Tier In California

SAN FRANCISCO, April 17, 2015 /PRNewswire/ -- Comcast today announced it will launch Extreme 250, a new 250 Mbps Internet speed tier for California customers.  The company also will increase its Performance tier from 50 Mbps to 75 Mbps and its Blast tier from 105 Mbps to 150...