Discount pop-ups showing via Motorola mobile website as above. These are pop-ups whuch appear as or after you navigate away from the mobile website (so there is no url as such). Codes seem to be product specific; others may apply if you look at other models.
Use UKWELCOME10 for £10 off £75 spend or UKFORCE10 for Moto X Force.
Not tried codes yet as I'm just browsing at this stage.