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:
The Letter People
Table title:
List of Letter People
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Original Program (1968) </th><th colspan=1 rowspan=1 > Characteristic </th><th colspan=1 rowspan=1 > Revised Program (1996) </th><th colspan=1 rowspan=1 > Characteristic </th></tr>
<tr> <td colspan=1 rowspan=1 > Miss A </td><td colspan=1 rowspan=1 > Achoo </td><td colspan=1 rowspan=1 > Ms. A </td><td colspan=1 rowspan=1 > Achoo </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister B </td><td colspan=1 rowspan=1 > Beautiful Buttons </td><td colspan=1 rowspan=1 > Mr. B </td><td colspan=1 rowspan=1 > Beautiful Buttons </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister C </td><td colspan=1 rowspan=1 > Cotton Candy </td><td colspan=1 rowspan=1 > Mr. C </td><td colspan=1 rowspan=1 > Colossal Cap </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister D </td><td colspan=1 rowspan=1 > Delicious Doughnuts </td><td colspan=1 rowspan=1 > Mr. D </td><td colspan=1 rowspan=1 > Dazzling Dance </td></tr>
<tr> <td colspan=1 rowspan=1 > Miss E </td><td colspan=1 rowspan=1 > Exercise </td><td colspan=1 rowspan=1 > Ms. E </td><td colspan=1 rowspan=1 > Exercise Energy </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister F </td><td colspan=1 rowspan=1 > Funny Feet </td><td colspan=1 rowspan=1 > Ms. F </td><td colspan=1 rowspan=1 > Funny Feet </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister G </td><td colspan=1 rowspan=1 > Gooey Gum </td><td colspan=1 rowspan=1 > Mr. G </td><td colspan=1 rowspan=1 > Gooey Gum </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mister H </td><td class="highlighted"  colspan=1 rowspan=1 > Horrible Hair </td><td colspan=1 rowspan=1 > Mr. H </td><td class="highlighted"  colspan=1 rowspan=1 > Happy Hair </td></tr>
<tr> <td colspan=1 rowspan=1 > Miss I </td><td colspan=1 rowspan=1 > (Itchy Itch) Incredible Inventor </td><td colspan=1 rowspan=1 > Mr. I </td><td colspan=1 rowspan=1 > Impossible Inches </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister J </td><td colspan=1 rowspan=1 > Jumbled Junk </td><td colspan=1 rowspan=1 > Ms. J </td><td colspan=1 rowspan=1 > Jingle Jingle Jacket </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister K </td><td colspan=1 rowspan=1 > Kind Kick </td><td colspan=1 rowspan=1 > Ms. K </td><td colspan=1 rowspan=1 > Kaboom Kick </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister L </td><td colspan=1 rowspan=1 > Lemon Lollipops </td><td colspan=1 rowspan=1 > Ms. L </td><td colspan=1 rowspan=1 > Longest Laugh </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister M </td><td colspan=1 rowspan=1 > Munching Mouth </td><td colspan=1 rowspan=1 > Mr. M </td><td colspan=1 rowspan=1 > Munching Mouth </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister N </td><td colspan=1 rowspan=1 > Noisy Nose </td><td colspan=1 rowspan=1 > Mr. N </td><td colspan=1 rowspan=1 > Noisy Nose </td></tr>
<tr> <td colspan=1 rowspan=1 > Miss O </td><td colspan=1 rowspan=1 > (Obstinate) Optimistic Optimist </td><td colspan=1 rowspan=1 > Mr. O </td><td colspan=1 rowspan=1 > Opposite </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister P </td><td colspan=1 rowspan=1 > Pointy Patches </td><td colspan=1 rowspan=1 > Ms. P </td><td colspan=1 rowspan=1 > Pointy Patches </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister Q </td><td colspan=1 rowspan=1 > Quiet </td><td colspan=1 rowspan=1 > Mr. Q* </td><td colspan=1 rowspan=1 > [Quiet] Questions </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Mister R </td><td class="highlighted"  colspan=1 rowspan=1 > Ripping Rubberbands </td><td colspan=1 rowspan=1 > Mr. R </td><td class="highlighted"  colspan=1 rowspan=1 > Rainbow Ribbons </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister S </td><td colspan=1 rowspan=1 > Super Socks </td><td colspan=1 rowspan=1 > Ms. S </td><td colspan=1 rowspan=1 > Super Socks </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister T </td><td colspan=1 rowspan=1 > Tall Teeth </td><td colspan=1 rowspan=1 > Ms. T </td><td colspan=1 rowspan=1 > Tall Teeth </td></tr>
<tr> <td colspan=1 rowspan=1 > Miss U </td><td colspan=1 rowspan=1 > Upsy-Daisy Umbrella </td><td colspan=1 rowspan=1 > Ms. U </td><td colspan=1 rowspan=1 > Unusual Umbrella </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister V </td><td colspan=1 rowspan=1 > Violet Velvet Vest </td><td colspan=1 rowspan=1 > Ms. V </td><td colspan=1 rowspan=1 > Vegetable Vest </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister W </td><td colspan=1 rowspan=1 > Wonderful Wink </td><td colspan=1 rowspan=1 > Ms. W </td><td colspan=1 rowspan=1 > Wonderful Words </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister X </td><td colspan=1 rowspan=1 > MiXed Up/All Wrong </td><td colspan=1 rowspan=1 > Mr. X </td><td colspan=1 rowspan=1 > Different </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister Y </td><td colspan=1 rowspan=1 > Yawning </td><td colspan=1 rowspan=1 > Ms. Y </td><td colspan=1 rowspan=1 > Yodeling Yawn </td></tr>
<tr> <td colspan=1 rowspan=1 > Mister Z </td><td colspan=1 rowspan=1 > Zipping Zippers </td><td colspan=1 rowspan=1 > Mr. Z </td><td colspan=1 rowspan=1 > Zipping Zippers </td></tr>
</table>
Question:
What changes were made to the original 1968 program of The Letter People?
Answer:
Letter People were changed (Mr. H's horrible hair became happy hair instead, Mr. R's Ripping Rubberbands became Rainbow Ribbons.