Over the Christmas period the PlayStation Network suffered a lot of downtime due to various issues, with the main being a certain group DDoSing the servers which meant players could not connect. It would have been a frustrating time for those who wanted to use the online services, especially as many would have got PS4s for Christmas and this would wasn’t a great first impression. Sony has acknowledged what has happened and has offered a little compensation for all those who were affected.
First off PS Plus members, including trial members, will get five days automatically added to their accounts for free. It hasn’t gone live just yet, and if your membership runs out before it is applied Sony will still add the five days to your account. Secondly all PSN members will receive a 10% discount code to use in the store, and this will discount will apply to one purchase. That means you can put as many items as you want in your basket, with the 10% coming off the final total Again this isn’t live yet, and it probably won’t come into effect until after the bulk of the January sales are over. The codes will likely be sent to your emails so keep an eye on your inbox.
Source: PS Blog