Instant messaging service WhatsApp server has been down since 22nd Feb 1:38pm EST.

People from various countries have reported technical failures such not being able to connect to the system server and so have been unable to send or receive messages or change their status.

On 19th February Facebook bought Whatsapp for US$19 billion in an unprecedented landmark deal

WhatsApp acknowledged the server problem and said it would be active soon.

sorry we currently experiencing server issues. we hope to be back up and recovered shortly.

— WhatsApp Status (@wa_status) February 22, 2014