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:
Sufjan Stevens discography
Table title:
As lead artist
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Title </th><th colspan=1 rowspan=2 > Year </th><th colspan=6 rowspan=1 > Peak chart positions </th><th colspan=1 rowspan=2 > Album </th></tr>
<tr> <th colspan=1 rowspan=1 > US Rock </th><th colspan=1 rowspan=1 > BEL (FL) </th><th colspan=1 rowspan=1 > FRA </th><th colspan=1 rowspan=1 > HUN </th><th colspan=1 rowspan=1 > POR </th><th colspan=1 rowspan=1 > SCO </th></tr>
<tr> <th colspan=1 rowspan=1 > "The Dress Looks Nice on You" </th><td colspan=1 rowspan=1 > 2004 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=2 > Seven Swans </td></tr>
<tr> <th colspan=1 rowspan=1 > "I Went Dancing with My Sister" </th><td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "I Walked" </th><td class="highlighted"  colspan=1 rowspan=2 > 2010 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td class="highlighted"  colspan=1 rowspan=2 > The Age of Adz </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "Too Much" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "Take the Time" (with Cat Martino) </th><td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=2 > Non-album singles </td></tr>
<tr> <th colspan=1 rowspan=1 > "A Little Lost" </th><td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "No Shade in the Shadow of the Cross" </th><td colspan=1 rowspan=4 > 2015 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=2 > Carrie & Lowell </td></tr>
<tr> <th colspan=1 rowspan=1 > "Should Have Known Better" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "Exploding Whale" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > Non-album single </td></tr>
<tr> <th colspan=1 rowspan=1 > "Blue Bucket of Gold" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > Carrie & Lowell </td></tr>
<tr> <th colspan=1 rowspan=1 > "Saturn" (with Bryce Dessner, Nico Muhly, and James McAlister) </th><td colspan=1 rowspan=4 > 2017 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=2 > Planetarium </td></tr>
<tr> <th colspan=1 rowspan=1 > "Venus" (with Bryce Dessner, Nico Muhly, and James McAlister) </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "Mystery of Love" </th><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 44 </td><td colspan=1 rowspan=1 > 34 </td><td colspan=1 rowspan=1 > 93 </td><td colspan=1 rowspan=1 > 67 </td><td colspan=1 rowspan=1 > Call Me by Your Name </td></tr>
<tr> <th colspan=1 rowspan=1 > "Tonya Harding" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=2 > Non-album singles </td></tr>
<tr> <th colspan=1 rowspan=1 > "Lonely Man of Winter" </th><td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <td colspan=10 rowspan=1 > "—" denotes a title that did not chart, or was not released in that territory. </td></tr>
</table>
Question:
How was the The Ade of Ads promoted?
Answer:
In the Sufjan Stevens discography, in 2010, The Age of Adz was promoted by "I Walked" and "Too Much".