Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
I'm Not Mad
Table title:
Release history
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Region </th><th colspan=1 rowspan=1 > Date </th><th colspan=1 rowspan=1 > Format </th><th colspan=1 rowspan=1 > Label </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > United Kingdom </td><td class="highlighted"  colspan=1 rowspan=1 > 28 March 2010 </td><td class="highlighted"  colspan=1 rowspan=1 > Digital download </td><td class="highlighted"  colspan=1 rowspan=2 > A&M </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 29 March 2010 </td><td class="highlighted"  colspan=1 rowspan=1 > CD single </td></tr>
</table>
Question:
How was the release of Im Not Mad staged in terms of CD and digital platform?
Answer:
In March 2010, I'm Not Mad was released on A&M Records as a CD single on 29th and as a download in the United Kingdom.