12. Soaring impact of solar cells
100 WaDs per $100 of solar cells
(log scale, cost in 2009 $)
10
1
1980 1985 1980 1995 2000 2005 2009
Source: DOE NREL Jan 2010 quoted in Scien*fic American
13. Click Through Rate On Decline
Average UK Click‐through rate
0.07%
Source: UK Click-through rates Forrester research 2004-2007, DoubleClick 2008-09. No averages released for 2010
yet
17. Click Through Rate On Decline
Average UK Click‐through rate
0.07%
Source: UK Click-through rates Forrester research 2004-2007, DoubleClick 2008-09. No averages released for 2010
yet
28. GDN = CTR at Astonishing Levels
Average UK Click‐through rate
0.07%
Source: UK Click‐through rates Forrester research 2004‐2007, DoubleClick 2008‐09. No averages released for 2010 yet