What are the Common Core Standards? Educational standards describe what students should know and be able to do in each subject in each grade. In California, the State Board of Education decides on the standards for all students, from kindergarten through high school.
iMessage is a chat and instant messaging service for iPhone, iPad and Mac devices. iMessage is offered by Apple and is considered a free alternative to text messages or SMS. When iMessage is not working properly, there typically is a problem in Apple's cloud services. No problems at iMessage. Live Outage Map Â».
How to Differentiate iMessage from SMS and MMS. 1  The text bubble of iMessage is blue, different from green bubble of SMS. 2  You can send an iMessage to one person or to many friends at once. When someone replies, everyone sees it. 3  iMessage tells you if a message is read or received, so you can get a quicker response.