Motorola revealed its intentions through a tweet, saying that the deal was extended as a Valentine's Day gift from the company. Motorola might have felt compelled to offer something to prospective Moto X buyers after a one hour, $100 sale in January left those interested in the phone rushing around to make the deadline. Meanwhile, the two-year contract price for the Moto X remains at $49.99.
Motorola extends $70 sale on the Motorola Moto X
source: @Motorola via TheVerge, AndroidAuthority