http://bigthink.com/ has been crawled 338 times going all the way back to November 27, 1999.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ

Jan
1
2
3
4
5
6
7
8
9

January 10, 2011

2 snapshots

10

January 11, 2011

3 snapshots

11
12
13
14
15
16

January 17, 2011

2 snapshots

17
18
19
20
21

January 22, 2011

1 snapshot

22
23

January 24, 2011

2 snapshots

24
25
26
27
28
29
30
31
Feb
1

February 2, 2011

1 snapshot

2

February 3, 2011

2 snapshots

3

February 4, 2011

2 snapshots

4
5

February 6, 2011

1 snapshot

6

February 7, 2011

1 snapshot

7
8
9
10
11
12
13
14
15
16
17

February 18, 2011

2 snapshots

18
19
20
21

February 22, 2011

1 snapshot

22
23
24
25
26
27
28
Mar
1
2
3

March 4, 2011

2 snapshots

4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

March 21, 2011

1 snapshot

21
22
23
24

March 25, 2011

2 snapshots

25
26
27
28
29
30
31
Apr
1
2
3
4
5
6
7
8

April 9, 2011

2 snapshots

9

April 10, 2011

2 snapshots

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

April 27, 2011

1 snapshot

27
28
29

April 30, 2011

1 snapshot

30
May
1
2
3
4
5
6

May 7, 2011

2 snapshots

7
8
9

May 10, 2011

1 snapshot

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Jun
1
2
3
4
5
6
7
8
9

June 10, 2011

1 snapshot

10
11
12
13

June 14, 2011

4 snapshots

14

June 15, 2011

1 snapshot

15
16
17
18
19
20
21
22

June 23, 2011

2 snapshots

23
24
25
26
27
28
29
30
Jul
1
2
3
4
5
6

July 7, 2011

1 snapshot

7

July 8, 2011

1 snapshot

8

July 9, 2011

1 snapshot

9
10
11
12
13

July 14, 2011

1 snapshot

14
15

July 16, 2011

2 snapshots

16
17
18

July 19, 2011

1 snapshot

19
20
21
22

July 23, 2011

1 snapshot

23

July 24, 2011

1 snapshot

24
25
26
27
28
29
30
31
Aug
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Sep
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Oct
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Nov
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Dec
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

Note

This calendar view maps the number of times http://bigthink.com/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.