Untitled

<html>
<head>
    %%[
    SET @firstname = FirstName
    SET @SalutationA = "Hey, @firstname! Here's this week's content"
    SET @SalutationB = "Here's this week's content"

    IF @firstname = "" THEN
      SET @text = @SalutationB
    ELSE
      SET @text = @SalutationA
    ENDIF

    ]%%

</head>
<body>
  <p>%%=v(@text)=%%</p>
</body>
</html>