Find me 50 rarest search engines
1. WebCrawler
2. Excite
3. Ask Jeeves
4. Lycos
5. DuckDuckGo
6. Blekko
7. Kartoo
8. Vivisimo
9. Info.com
10. Dogpile
11. Internet Archive
12. Entropy Web
13. IceRocket
14. Yippy
15. GigaBlast
16. Go.com
17. HotBot
18. Infomine
19. Ixquick
20. Mojeek
21. Picsearch
22. PeekYou
23. Sputtr
24. Teoma
25. Wahoy
26. Zuula
27. Onet.pl
28. Rambler
29. Yandex
30. WebFetch
31. Topsy
32. Kvasir
33. AllTheWeb
34. Ecosia
35. Factbites
36. Gigablast
37. iTools
38. LookSmart
39. Metacrawler
40. NationMaster
41. TeJee
42. The Internet Search Database
43. Tipz.in
44. Twingine
45. Ujiko
46. Volunia
47. Wayback Machine
48. WotBox
49. Yippy Kristin
50. ZoomInfo