DVR technology company TiVo announced its best quarter for MSO subscriber acquisitions ever, adding 341,000 in Q1 through its various pay-TV partnerships and pushing its total past 4.5 million, an all-time high. TiVo's MSO subscriber base grew by 313,000 in the fourth quarter and it's up 23 percent year-over-year. The company reported service and technology revenue of $86 million for the quarter, up 39 percent from Q1 2013. TiVo's full first-quarter earnings report can be found here.