Time Warner (nyse: TWX - news - people ) is working on a service called "Start Over" that will allow digital cable subscribers to press a button and restart any program already underway from its beginning.

FORBES: Cable Companies Dish Data

Number two operator Time Warner (nyse: TWX - news - people ) has already rolled the service out in all of its top 31 divisions and has over 700, 000 DVR customers, while number four Charter Communications (nasdaq: CHTR - news - people ) saw DVR subscriptions jump to 61, 000 from 24, 000 between the second and third quarters of this year.

FORBES: Cable Companies Dish Data

At the moment, only Cablevision Systems (nyse: CVC - news - people ) has the service available in all its markets, although other providers including Time Warner (nyse: TWX - news - people ) are aggressively deploying it.

FORBES: Cable Finds Its Voice