Here's something interesting, I got this from overture bids tool:
Searches for "mobile porn" in April 2005
Count Search Term
1042 mobile porn
454 free mobile porn
110 mobile porn video
86 mobile porn wallpaper
74 clip free mobile porn
56 free mobile porn video
53 clip mobile porn
33 logo message mobile picture porn
30 game mobile porn
29 mobile porn site
26 free mobile movie porn
25 downloads free mobile porn
25 mobile pic porn
Searches for "ringtones" April 2005
Count Search Term
7784525 ringtone
638677 free ringtone
108818 nokia ringtone
65640 nextel ringtone
59638 cool ringtone
58123 verizon ringtone
58101 polyphonic ringtone
56270 download free ringtone
55006 free nokia ringtone
44530 cingular ringtone
39280 motorola ringtone
32819 free verizon ringtone
32780 free nextel ringtone
32588 free sprint ringtone
28890 sprint ringtone
27666 mp3 ringtone
23847 free cell phone ringtone
23827 free motorola ringtone
22394 music ringtone
22209 free polyphonic ringtone
21710 cell phone ringtone
21234 t mobile ringtone
20700 samsung ringtone
19586 download ringtone
19574 free cingular ringtone
19400 verizon wireless ringtone
16740 real ringtone
16157 free t mobile ringtone
15239 free cingular music ringtone
13818 real music ringtone
12693 free ringtone downloads
12511 free samsung ringtone
11908 free mp3 ringtone
11078 ringtone screensaver
11070 lg ringtone
9778 planet ringtone
9299 ringtone logo
9267 kyocera ringtone
9232 jamster ringtone
8619 ringtone composer
8411 midi ringtone
8046 free real ringtone
7843 us cellular ringtone
7776 cell ipod karaoke phone ringtone
7711 free real music cingular ringtone
7710 free sprint pcs ringtone
7420 voice ringtone
7176 free kyocera ringtone
7030 free music ringtone
6921 free ringtone for sprint phone
6645 star war ringtone
6562 free cellular phone ringtone
6377 caller ringtone
6341 free real music ringtone
6325 cricket ringtone
6321 virgin mobile ringtone
6318 mobile phone ringtone
6257 cellular phone ringtone
6254 free mobile ringtone
6092 audio3g ringtone
6002 free alltel ringtone
5916 ringtone downloads
5725 free lg ringtone
5664 sprint pcs ringtone
5648 3g for free ringtone
5422 ringtone wallpaper
5374 audiovox ringtone
5278 free free free free free game music ringtone stuff
5217 funny ringtone
5086 phone ringtone
5044 christian ringtone
5035 tracfone ringtone
4974 free us cellular ringtone
4943 sony ericsson ringtone
4880 download free ringtone nokia
4727 hotlink caller ringtone
4596 100 free ringtone
4591 free tracfone ringtone
4574 ringtone graphic
4567 free verizon cell phone ringtone
4484 downloadable ringtone
4450 download free nextel ringtone
4312 make ringtone
4255 ringtone converter
4144 hip hop ringtone
4122 cellular one ringtone
4114 free cricket ringtone
4103 mtv ringtone
3962 free nextel ringtone i730
3949 ringtone juke box
3942 free audiovox ringtone
3942 bollywood ringtone
3917 monophonic ringtone
3828 harry potter ringtone
3748 free downloadable ringtone
3727 free mobile phone ringtone
3716 crazy frog ringtone
3707 napoleon dynamite ringtone
3697 download free verizon ringtone
3535 cellular ringtone
Kind of a contrast with the Internet in its early days where everyone was searching for porn isn't it?