Eagle Eye (2008)

Jerry Shaw and Rachel Holloman are two strangers thrown together by a mysterious phone call from a woman they've never met. Threatening their lives and their family, she pushes Jerry and Rachel into a series of increasingly dangerous situations using the technology of everyday life to track and control their every move. As the situation escalates, these two ordinary people become the country's most wanted fugitives, who must now work together to discover what is really happening. Fighting for their lives, they become pawns of a faceless enemy who seems to have limitless powers to manipulate.

Official website: http://www.eagleeyemovie.com/