After years of rumors, AT&T in May 2014 announced an attempt to purchase DirecTV for an astounding $48.5 billion. Already one of the top-two largest wireless carriers in the US, AT&T's move to control the satellite TV service came as a clear sign the company wants to serve its customers video as well. But with the entire TV industry consolidating, AT&T's bid is anything but certain, especially given that regulators previously scuttled AT&T's last big takeover attempt.